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ac1cfefa | 1 | #!/usr/bin/perl |
70df8302 MT |
2 | ############################################################################### |
3 | # # | |
4 | # IPFire.org - A linux based firewall # | |
e698090e | 5 | # Copyright (C) 2007-2020 IPFire Team <info@ipfire.org> # |
70df8302 MT |
6 | # # |
7 | # This program is free software: you can redistribute it and/or modify # | |
8 | # it under the terms of the GNU General Public License as published by # | |
9 | # the Free Software Foundation, either version 3 of the License, or # | |
10 | # (at your option) any later version. # | |
11 | # # | |
12 | # This program is distributed in the hope that it will be useful, # | |
13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of # | |
14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # | |
15 | # GNU General Public License for more details. # | |
16 | # # | |
17 | # You should have received a copy of the GNU General Public License # | |
18 | # along with this program. If not, see <http://www.gnu.org/licenses/>. # | |
19 | # # | |
20 | ############################################################################### | |
21 | ||
ac1cfefa | 22 | use strict; |
0f1d0b9c | 23 | use experimental 'smartmatch'; |
ac1cfefa MT |
24 | |
25 | # enable only the following on debugging purpose | |
90c2e164 CS |
26 | #use warnings; |
27 | #use CGI::Carp 'fatalsToBrowser'; | |
ac1cfefa | 28 | |
986e08d9 | 29 | require '/var/ipfire/general-functions.pl'; |
ac1cfefa MT |
30 | require "${General::swroot}/lang.pl"; |
31 | require "${General::swroot}/header.pl"; | |
8dcebe53 | 32 | require "${General::swroot}/ids-functions.pl"; |
abffcc99 | 33 | require "${General::swroot}/network-functions.pl"; |
ac1cfefa | 34 | |
3e12c6e6 SS |
35 | # Import ruleset providers file. |
36 | require "$IDS::rulesetsourcesfile"; | |
37 | ||
f2fdd0c1 CS |
38 | my %color = (); |
39 | my %mainsettings = (); | |
9d18656b | 40 | my %idsrules = (); |
1286e0d4 | 41 | my %idssettings=(); |
2f252efa | 42 | my %used_providers=(); |
298723b9 | 43 | my %cgiparams=(); |
ac1cfefa | 44 | my %checked=(); |
5a3e0dca | 45 | my %selected=(); |
b7e29743 | 46 | my %ignored=(); |
0b89daee SS |
47 | |
48 | # Read-in main settings, for language, theme and colors. | |
49 | &General::readhash("${General::swroot}/main/settings", \%mainsettings); | |
8186b372 | 50 | &General::readhash("/srv/web/ipfire/html/themes/ipfire/include/colors.txt", \%color); |
0b89daee | 51 | |
1286e0d4 SS |
52 | # Get the available network zones, based on the config type of the system and store |
53 | # the list of zones in an array. | |
abffcc99 | 54 | my @network_zones = &Network::get_available_network_zones(); |
ac1cfefa | 55 | |
51b63b41 SS |
56 | # Check if openvpn is started and add it to the array of network zones. |
57 | if ( -e "/var/run/openvpn.pid") { | |
58 | push(@network_zones, "ovpn"); | |
59 | } | |
60 | ||
43263ea6 SS |
61 | my $errormessage; |
62 | ||
00512a5a | 63 | # Create files if they does not exist yet. |
b02e30fd | 64 | &IDS::check_and_create_filelayout(); |
01ba4be4 | 65 | |
99b372b5 SS |
66 | # Hash which contains the colour code of a network zone. |
67 | my %colourhash = ( | |
68 | 'red' => $Header::colourred, | |
69 | 'green' => $Header::colourgreen, | |
70 | 'blue' => $Header::colourblue, | |
51b63b41 SS |
71 | 'orange' => $Header::colourorange, |
72 | 'ovpn' => $Header::colourovpn | |
99b372b5 SS |
73 | ); |
74 | ||
ac1cfefa MT |
75 | &Header::showhttpheaders(); |
76 | ||
298723b9 SS |
77 | #Get GUI values |
78 | &Header::getcgihash(\%cgiparams); | |
ac1cfefa | 79 | |
b7e29743 SS |
80 | ## Add/edit an entry to the ignore file. |
81 | # | |
82 | if (($cgiparams{'WHITELIST'} eq $Lang::tr{'add'}) || ($cgiparams{'WHITELIST'} eq $Lang::tr{'update'})) { | |
83 | ||
84 | # Check if any input has been performed. | |
85 | if ($cgiparams{'IGNORE_ENTRY_ADDRESS'} ne '') { | |
86 | ||
87 | # Check if the given input is no valid IP-address or IP-address with subnet, display an error message. | |
88 | if ((!&General::validip($cgiparams{'IGNORE_ENTRY_ADDRESS'})) && (!&General::validipandmask($cgiparams{'IGNORE_ENTRY_ADDRESS'}))) { | |
89 | $errormessage = "$Lang::tr{'guardian invalid address or subnet'}"; | |
90 | } | |
91 | } else { | |
92 | $errormessage = "$Lang::tr{'guardian empty input'}"; | |
93 | } | |
94 | ||
95 | # Go further if there was no error. | |
96 | if ($errormessage eq '') { | |
97 | my %ignored = (); | |
98 | my $id; | |
99 | my $status; | |
100 | ||
101 | # Assign hash values. | |
102 | my $new_entry_address = $cgiparams{'IGNORE_ENTRY_ADDRESS'}; | |
103 | my $new_entry_remark = $cgiparams{'IGNORE_ENTRY_REMARK'}; | |
104 | ||
105 | # Read-in ignoredfile. | |
18f0991c | 106 | &General::readhasharray($IDS::ignored_file, \%ignored) if (-e $IDS::ignored_file); |
b7e29743 SS |
107 | |
108 | # Check if we should edit an existing entry and got an ID. | |
109 | if (($cgiparams{'WHITELIST'} eq $Lang::tr{'update'}) && ($cgiparams{'ID'})) { | |
110 | # Assin the provided id. | |
111 | $id = $cgiparams{'ID'}; | |
112 | ||
113 | # Undef the given ID. | |
114 | undef($cgiparams{'ID'}); | |
115 | ||
116 | # Grab the configured status of the corresponding entry. | |
117 | $status = $ignored{$id}[2]; | |
118 | } else { | |
119 | # Each newly added entry automatically should be enabled. | |
120 | $status = "enabled"; | |
121 | ||
122 | # Generate the ID for the new entry. | |
123 | # | |
124 | # Sort the keys by their ID and store them in an array. | |
125 | my @keys = sort { $a <=> $b } keys %ignored; | |
126 | ||
127 | # Reverse the key array. | |
128 | my @reversed = reverse(@keys); | |
129 | ||
130 | # Obtain the last used id. | |
131 | my $last_id = @reversed[0]; | |
132 | ||
133 | # Increase the last id by one and use it as id for the new entry. | |
134 | $id = ++$last_id; | |
135 | } | |
136 | ||
137 | # Add/Modify the entry to/in the ignored hash. | |
138 | $ignored{$id} = ["$new_entry_address", "$new_entry_remark", "$status"]; | |
139 | ||
140 | # Write the changed ignored hash to the ignored file. | |
b02e30fd | 141 | &General::writehasharray($IDS::ignored_file, \%ignored); |
b7e29743 SS |
142 | |
143 | # Regenerate the ignore file. | |
9283e9b9 | 144 | &IDS::generate_ignore_file(); |
b7e29743 SS |
145 | } |
146 | ||
147 | # Check if the IDS is running. | |
148 | if(&IDS::ids_is_running()) { | |
149 | # Call suricatactrl to perform a reload. | |
150 | &IDS::call_suricatactrl("reload"); | |
151 | } | |
152 | ||
153 | ## Toggle Enabled/Disabled for an existing entry on the ignore list. | |
154 | # | |
155 | ||
156 | } elsif ($cgiparams{'WHITELIST'} eq $Lang::tr{'toggle enable disable'}) { | |
157 | my %ignored = (); | |
158 | ||
159 | # Only go further, if an ID has been passed. | |
160 | if ($cgiparams{'ID'}) { | |
161 | # Assign the given ID. | |
162 | my $id = $cgiparams{'ID'}; | |
163 | ||
164 | # Undef the given ID. | |
165 | undef($cgiparams{'ID'}); | |
166 | ||
167 | # Read-in ignoredfile. | |
18f0991c | 168 | &General::readhasharray($IDS::ignored_file, \%ignored) if (-e $IDS::ignored_file); |
b7e29743 SS |
169 | |
170 | # Grab the configured status of the corresponding entry. | |
171 | my $status = $ignored{$id}[2]; | |
172 | ||
173 | # Switch the status. | |
174 | if ($status eq "disabled") { | |
175 | $status = "enabled"; | |
176 | } else { | |
177 | $status = "disabled"; | |
178 | } | |
179 | ||
180 | # Modify the status of the existing entry. | |
181 | $ignored{$id} = ["$ignored{$id}[0]", "$ignored{$id}[1]", "$status"]; | |
182 | ||
183 | # Write the changed ignored hash to the ignored file. | |
b02e30fd | 184 | &General::writehasharray($IDS::ignored_file, \%ignored); |
b7e29743 SS |
185 | |
186 | # Regenerate the ignore file. | |
9283e9b9 | 187 | &IDS::generate_ignore_file(); |
b7e29743 SS |
188 | |
189 | # Check if the IDS is running. | |
190 | if(&IDS::ids_is_running()) { | |
191 | # Call suricatactrl to perform a reload. | |
192 | &IDS::call_suricatactrl("reload"); | |
193 | } | |
194 | } | |
195 | ||
196 | ## Remove entry from ignore list. | |
197 | # | |
198 | } elsif ($cgiparams{'WHITELIST'} eq $Lang::tr{'remove'}) { | |
199 | my %ignored = (); | |
200 | ||
201 | # Read-in ignoredfile. | |
18f0991c | 202 | &General::readhasharray($IDS::ignored_file, \%ignored) if (-e $IDS::ignored_file); |
b7e29743 SS |
203 | |
204 | # Drop entry from the hash. | |
205 | delete($ignored{$cgiparams{'ID'}}); | |
206 | ||
207 | # Undef the given ID. | |
208 | undef($cgiparams{'ID'}); | |
209 | ||
210 | # Write the changed ignored hash to the ignored file. | |
b02e30fd | 211 | &General::writehasharray($IDS::ignored_file, \%ignored); |
b7e29743 SS |
212 | |
213 | # Regenerate the ignore file. | |
9283e9b9 | 214 | &IDS::generate_ignore_file(); |
b7e29743 SS |
215 | |
216 | # Check if the IDS is running. | |
217 | if(&IDS::ids_is_running()) { | |
218 | # Call suricatactrl to perform a reload. | |
219 | &IDS::call_suricatactrl("reload"); | |
220 | } | |
221 | } | |
222 | ||
9074e3d7 SS |
223 | # Check if the page is locked, in this case, the ids_page_lock_file exists. |
224 | if (-e $IDS::ids_page_lock_file) { | |
225 | # Lock the webpage and print notice about autoupgrade of the ruleset | |
226 | # is in progess. | |
227 | &working_notice("$Lang::tr{'ids ruleset autoupdate in progress'}"); | |
228 | ||
229 | # Loop and check if the file still exists. | |
230 | while(-e $IDS::ids_page_lock_file) { | |
231 | # Sleep for a second and re-check. | |
232 | sleep 1; | |
233 | } | |
234 | ||
235 | # Page has been unlocked, perform a reload. | |
236 | &reload(); | |
237 | } | |
238 | ||
3983aebd SS |
239 | # Check if any error has been stored. |
240 | if (-e $IDS::storederrorfile) { | |
241 | # Open file to read in the stored error message. | |
242 | open(FILE, "<$IDS::storederrorfile") or die "Could not open $IDS::storederrorfile. $!\n"; | |
243 | ||
244 | # Read the stored error message. | |
245 | $errormessage = <FILE>; | |
246 | ||
247 | # Close file. | |
248 | close (FILE); | |
249 | ||
250 | # Delete the file, which is now not longer required. | |
251 | unlink($IDS::storederrorfile); | |
252 | } | |
253 | ||
a468b62b SS |
254 | # Gather ruleset details. |
255 | if ($cgiparams{'RULESET'}) { | |
256 | ## Grab all available rules and store them in the idsrules hash. | |
257 | # | |
ddaf8ae1 SS |
258 | |
259 | # Get enabled providers. | |
260 | my @enabled_providers = &IDS::get_enabled_providers(); | |
261 | ||
a468b62b SS |
262 | # Open rules directory and do a directory listing. |
263 | opendir(DIR, $IDS::rulespath) or die $!; | |
264 | # Loop through the direcory. | |
265 | while (my $file = readdir(DIR)) { | |
422204ff | 266 | |
a468b62b SS |
267 | # We only want files. |
268 | next unless (-f "$IDS::rulespath/$file"); | |
422204ff | 269 | |
a468b62b SS |
270 | # Ignore empty files. |
271 | next if (-z "$IDS::rulespath/$file"); | |
422204ff | 272 | |
a468b62b SS |
273 | # Use a regular expression to find files ending in .rules |
274 | next unless ($file =~ m/\.rules$/); | |
422204ff | 275 | |
a468b62b SS |
276 | # Ignore files which are not read-able. |
277 | next unless (-R "$IDS::rulespath/$file"); | |
395e3b90 | 278 | |
a468b62b SS |
279 | # Skip whitelist rules file. |
280 | next if( $file eq "whitelist.rules"); | |
b7e29743 | 281 | |
ddaf8ae1 SS |
282 | # Splitt vendor from filename. |
283 | my @filename_parts = split(/-/, $file); | |
284 | ||
285 | # Assign vendor name for easy processing. | |
286 | my $vendor = @filename_parts[0]; | |
287 | ||
288 | # Skip rulefile if the provider is disabled. | |
289 | next unless ($vendor ~~ @enabled_providers); | |
290 | ||
a468b62b SS |
291 | # Call subfunction to read-in rulefile and add rules to |
292 | # the idsrules hash. | |
293 | &readrulesfile("$file"); | |
294 | } | |
395e3b90 | 295 | |
a468b62b | 296 | closedir(DIR); |
395e3b90 | 297 | |
ddaf8ae1 SS |
298 | # Loop through the array of used providers. |
299 | foreach my $provider (@enabled_providers) { | |
300 | # Gather used rulefiles. | |
30c4a9ff | 301 | my @used_rulesfiles = &IDS::get_provider_used_rulesfiles($provider); |
ddaf8ae1 SS |
302 | |
303 | # Loop through the array of used rulesfiles. | |
304 | foreach my $rulefile (@used_rulesfiles) { | |
305 | # Check if the current rulefile exists in the %idsrules hash. | |
306 | # If not, the file probably does not exist anymore or contains | |
307 | # no rules. | |
308 | if($idsrules{$rulefile}) { | |
309 | # Add the rulefile state to the %idsrules hash. | |
310 | $idsrules{$rulefile}{'Rulefile'}{'State'} = "on"; | |
311 | } | |
e5738079 SS |
312 | } |
313 | } | |
314 | } | |
315 | ||
298723b9 | 316 | # Save ruleset. |
0943ad8c | 317 | if ($cgiparams{'RULESET'} eq $Lang::tr{'ids apply'}) { |
15832b10 SS |
318 | # Get enabled providers. |
319 | my @enabled_providers = &IDS::get_enabled_providers(); | |
320 | ||
321 | # Loop through the array of enabled providers. | |
322 | foreach my $provider (@enabled_providers) { | |
323 | # Hash to store the used-enabled and disabled sids. | |
324 | my %enabled_disabled_sids; | |
325 | ||
30c4a9ff SS |
326 | # Hash to store the enabled rulefiles for the current processed provider. |
327 | my %used_rulefiles; | |
328 | ||
9f353f85 SS |
329 | # Get name of the file which holds the ruleset modification of the provider. |
330 | my $modifications_file = &IDS::get_provider_ruleset_modifications_file($provider); | |
15832b10 | 331 | |
30c4a9ff SS |
332 | # Get the name of the file which contains the used rulefiles for this provider. |
333 | my $used_rulefiles_file = &IDS::get_provider_used_rulesfiles_file($provider); | |
334 | ||
9f353f85 SS |
335 | # Read-in modifications file, if exists. |
336 | &General::readhash("$modifications_file", \%enabled_disabled_sids) if (-f "$modifications_file"); | |
15832b10 SS |
337 | |
338 | # Loop through the hash of idsrules. | |
339 | foreach my $rulefile (keys %idsrules) { | |
340 | # Split the rulefile to get the vendor. | |
341 | my @filename_parts = split(/-/, $rulefile); | |
342 | ||
343 | # Assign rulefile vendor. | |
344 | my $rulefile_vendor = @filename_parts[0]; | |
345 | ||
346 | # Skip the rulefile if the vendor is not our current processed provider. | |
347 | next unless ($rulefile_vendor eq $provider); | |
348 | ||
30c4a9ff SS |
349 | # Check if the rulefile is enabled. |
350 | if ($cgiparams{$rulefile} eq "on") { | |
351 | # Add the rulefile to the hash of enabled rulefiles of this provider. | |
352 | $used_rulefiles{$rulefile} = "enabled"; | |
353 | ||
354 | # Drop item from cgiparams hash. | |
355 | delete $cgiparams{$rulefile}; | |
356 | } | |
357 | ||
15832b10 SS |
358 | # Loop through the single rules of the rulefile. |
359 | foreach my $sid (keys %{$idsrules{$rulefile}}) { | |
360 | # Skip the current sid if it is not numeric. | |
361 | next unless ($sid =~ /\d+/ ); | |
362 | ||
363 | # Check if there exists a key in the cgiparams hash for this sid. | |
364 | if (exists($cgiparams{$sid})) { | |
365 | # Look if the rule is disabled. | |
366 | if ($idsrules{$rulefile}{$sid}{'State'} eq "off") { | |
367 | # Check if the state has been set to 'on'. | |
368 | if ($cgiparams{$sid} eq "on") { | |
369 | # Add/Modify the sid to/in the enabled_disabled_sids hash. | |
370 | $enabled_disabled_sids{$sid} = "enabled"; | |
371 | ||
372 | # Drop item from cgiparams hash. | |
373 | delete $cgiparams{$rulefile}{$sid}; | |
374 | } | |
375 | } | |
376 | } else { | |
377 | # Look if the rule is enabled. | |
378 | if ($idsrules{$rulefile}{$sid}{'State'} eq "on") { | |
379 | # Check if the state is 'on' and should be disabled. | |
380 | # In this case there is no entry | |
381 | # for the sid in the cgiparams hash. | |
382 | # Add/Modify it to/in the enabled_disabled_sids hash. | |
383 | $enabled_disabled_sids{$sid} = "disabled"; | |
298723b9 SS |
384 | |
385 | # Drop item from cgiparams hash. | |
60333473 | 386 | delete $cgiparams{$rulefile}{$sid}; |
298723b9 SS |
387 | } |
388 | } | |
298723b9 SS |
389 | } |
390 | } | |
298723b9 | 391 | |
15832b10 SS |
392 | # Check if the hash for enabled/disabled sids contains any entries. |
393 | if (%enabled_disabled_sids) { | |
9f353f85 SS |
394 | # Write the modifications file. |
395 | &General::writehash("$modifications_file", \%enabled_disabled_sids); | |
37659505 | 396 | } |
ddaf8ae1 | 397 | |
30c4a9ff SS |
398 | # Write the used rulefiles file. |
399 | &General::writehash("$used_rulefiles_file", \%used_rulefiles); | |
ddaf8ae1 SS |
400 | } |
401 | ||
b02e30fd | 402 | # Call function to generate and write the used rulefiles file. |
30c4a9ff | 403 | &IDS::write_used_rulefiles_file(@enabled_providers); |
52599865 | 404 | |
27760092 | 405 | # Lock the webpage and print message. |
faa8c62f | 406 | &oinkmaster_web(); |
27760092 | 407 | |
e2e7880d | 408 | # Check if the IDS is running. |
5a28e721 | 409 | if(&IDS::ids_is_running()) { |
30c4a9ff SS |
410 | # Call suricatactrl to perform a reload. |
411 | &IDS::call_suricatactrl("reload"); | |
e2e7880d SS |
412 | } |
413 | ||
27760092 SS |
414 | # Reload page. |
415 | &reload(); | |
52599865 SS |
416 | |
417 | # Download new ruleset. | |
f3d421a3 SS |
418 | } elsif ($cgiparams{'PROVIDERS'} eq $Lang::tr{'ids force ruleset update'}) { |
419 | # Assign given provider handle. | |
420 | my $provider = $cgiparams{'PROVIDER'}; | |
421 | ||
43263ea6 SS |
422 | # Check if the red device is active. |
423 | unless (-e "${General::swroot}/red/active") { | |
013274d7 | 424 | $errormessage = "$Lang::tr{'could not download latest updates'} - $Lang::tr{'system is offline'}"; |
43263ea6 | 425 | } |
52599865 | 426 | |
3983aebd | 427 | # Check if enought free disk space is availabe. |
434001d0 SS |
428 | if(&IDS::checkdiskspace()) { |
429 | $errormessage = "$Lang::tr{'not enough disk space'}"; | |
430 | } | |
52599865 | 431 | |
43263ea6 SS |
432 | # Check if any errors happend. |
433 | unless ($errormessage) { | |
27760092 SS |
434 | # Lock the webpage and print notice about downloading |
435 | # a new ruleset. | |
1febad2a | 436 | &_open_working_notice("$Lang::tr{'ids download new ruleset'}"); |
3983aebd | 437 | |
43263ea6 | 438 | # Call subfunction to download the ruleset. |
00271ed7 SS |
439 | my $return = &IDS::downloadruleset($provider); |
440 | ||
441 | # Check if the download function gives a return code. | |
442 | if ($return) { | |
443 | # Handle different return codes. | |
444 | if ($return eq "not modified") { | |
445 | $errormessage = "$provider - $Lang::tr{'ids ruleset is up to date'}"; | |
446 | } else { | |
447 | $errormessage = "$provider - $Lang::tr{'could not download latest updates'}: $return"; | |
448 | } | |
8f22237b | 449 | |
3983aebd | 450 | # Call function to store the errormessage. |
434001d0 | 451 | &IDS::_store_error_message($errormessage); |
52599865 | 452 | |
1febad2a SS |
453 | # Close the working notice. |
454 | &_close_working_notice(); | |
455 | ||
3983aebd SS |
456 | # Preform a reload of the page. |
457 | &reload(); | |
458 | } else { | |
459 | # Call subfunction to launch oinkmaster. | |
1febad2a SS |
460 | &oinkmaster_web("nolock"); |
461 | ||
462 | # Close the working notice. | |
463 | &_close_working_notice(); | |
43263ea6 | 464 | |
e2e7880d | 465 | # Check if the IDS is running. |
5a28e721 | 466 | if(&IDS::ids_is_running()) { |
e2e7880d SS |
467 | # Call suricatactrl to perform a reload. |
468 | &IDS::call_suricatactrl("reload"); | |
469 | } | |
470 | ||
3983aebd SS |
471 | # Perform a reload of the page. |
472 | &reload(); | |
473 | } | |
52599865 | 474 | } |
515a694d SS |
475 | |
476 | # Reset a provider to it's defaults. | |
477 | } elsif ($cgiparams{'PROVIDERS'} eq "$Lang::tr{'ids reset provider'}") { | |
30c4a9ff SS |
478 | # Get enabled providers. |
479 | my @enabled_providers = &IDS::get_enabled_providers(); | |
480 | ||
515a694d SS |
481 | # Grab provider handle from cgihash. |
482 | my $provider = $cgiparams{'PROVIDER'}; | |
483 | ||
484 | # Lock the webpage and print message. | |
485 | &working_notice("$Lang::tr{'ids apply ruleset changes'}"); | |
486 | ||
30c4a9ff SS |
487 | # Get the name of the file which contains the used rulefiles for this provider. |
488 | my $used_rulefiles_file = &IDS::get_provider_used_rulesfiles_file($provider); | |
489 | ||
490 | # Remove the file if it exists. | |
491 | unlink("$used_rulefiles_file") if (-f "$used_rulefiles_file"); | |
515a694d | 492 | |
4c98be8b SS |
493 | # Call function to get the path and name for file which holds the ruleset modifications |
494 | # for the given provider. | |
495 | my $modifications_file = &IDS::get_provider_ruleset_modifications_file($provider); | |
515a694d SS |
496 | |
497 | # Check if the file exists. | |
4c98be8b | 498 | if (-f $modifications_file) { |
515a694d | 499 | # Remove the file, as requested. |
4c98be8b | 500 | unlink("$modifications_file"); |
515a694d SS |
501 | } |
502 | ||
30c4a9ff SS |
503 | # Write used rulesfiles file. |
504 | &IDS::write_used_rulefiles_file(@enabled_providers); | |
505 | ||
515a694d | 506 | # Regenerate ruleset. |
faa8c62f | 507 | &oinkmaster_web(); |
515a694d SS |
508 | |
509 | # Check if the IDS is running. | |
510 | if(&IDS::ids_is_running()) { | |
515a694d SS |
511 | # Get amount of enabled providers. |
512 | my $amount = @enabled_providers; | |
513 | ||
514 | # Check if at least one enabled provider remains. | |
515 | if ($amount >= 1) { | |
516 | # Call suricatactrl to perform a reload. | |
30c4a9ff | 517 | &IDS::call_suricatactrl("reload"); |
515a694d SS |
518 | |
519 | # Stop suricata if no enabled provider remains. | |
520 | } else { | |
521 | # Call suricatactrel to perform the stop. | |
522 | &IDS::call_suricatactrl("stop"); | |
523 | } | |
524 | } | |
525 | ||
526 | # Undefine providers flag. | |
527 | undef($cgiparams{'PROVIDERS'}); | |
528 | ||
529 | # Reload page. | |
530 | &reload(); | |
531 | ||
5bd8940d | 532 | # Save IDS settings. |
e0bfd338 | 533 | } elsif ($cgiparams{'IDS'} eq $Lang::tr{'save'}) { |
bbb6efae SS |
534 | my %oldidssettings; |
535 | my $reload_page; | |
ebdd0f9a | 536 | my $monitored_zones = 0; |
bbb6efae SS |
537 | |
538 | # Read-in current (old) IDS settings. | |
b02e30fd | 539 | &General::readhash("$IDS::ids_settings_file", \%oldidssettings); |
bbb6efae | 540 | |
724f98c0 SS |
541 | # Get enabled providers. |
542 | my @enabled_providers = &IDS::get_enabled_providers(); | |
543 | ||
a232b58c | 544 | # Prevent form name from been stored in conf file. |
e0bfd338 | 545 | delete $cgiparams{'IDS'}; |
a232b58c | 546 | |
ebdd0f9a SS |
547 | # Check if the IDS should be enabled. |
548 | if ($cgiparams{'ENABLE_IDS'} eq "on") { | |
724f98c0 | 549 | # Check if at least one provider is enabled. Otherwise abort and display an error. |
4b6cf2a5 SS |
550 | unless(@enabled_providers) { |
551 | $errormessage = $Lang::tr{'ids no enabled ruleset provider'}; | |
ebdd0f9a SS |
552 | } |
553 | ||
554 | # Loop through the array of available interfaces. | |
555 | foreach my $zone (@network_zones) { | |
556 | # Convert interface name into upper case. | |
557 | my $zone_upper = uc($zone); | |
558 | ||
800290ce | 559 | # Check if the IDS is enabled for these interfaces. |
ebdd0f9a SS |
560 | if ($cgiparams{"ENABLE_IDS_$zone_upper"}) { |
561 | # Increase count. | |
562 | $monitored_zones++; | |
563 | } | |
564 | } | |
565 | ||
566 | # Check if at least one zone should be monitored, or show an error. | |
567 | unless ($monitored_zones >= 1) { | |
568 | $errormessage = $Lang::tr{'ids no network zone'}; | |
569 | } | |
570 | } | |
571 | ||
a232b58c SS |
572 | # Go on if there are no error messages. |
573 | if (!$errormessage) { | |
574 | # Store settings into settings file. | |
b02e30fd | 575 | &General::writehash("$IDS::ids_settings_file", \%cgiparams); |
a9a91e5f | 576 | } |
8d2f6b0b SS |
577 | |
578 | # Generate file to store the home net. | |
b02e30fd | 579 | &IDS::generate_home_net_file(); |
e2e7880d | 580 | |
a40ee6b9 SS |
581 | # Generate file to the store the DNS servers. |
582 | &IDS::generate_dns_servers_file(); | |
583 | ||
e698090e SS |
584 | # Generate file to store the HTTP ports. |
585 | &IDS::generate_http_ports_file(); | |
586 | ||
e2e7880d SS |
587 | # Check if the IDS currently is running. |
588 | if(&IDS::ids_is_running()) { | |
589 | # Check if ENABLE_IDS is set to on. | |
590 | if($cgiparams{'ENABLE_IDS'} eq "on") { | |
591 | # Call suricatactrl to perform a reload of suricata. | |
592 | &IDS::call_suricatactrl("reload"); | |
593 | } else { | |
594 | # Call suricatactrl to stop suricata. | |
595 | &IDS::call_suricatactrl("stop"); | |
596 | } | |
597 | } else { | |
598 | # Call suricatactrl to start suricata. | |
599 | &IDS::call_suricatactrl("start"); | |
600 | } | |
bbb6efae SS |
601 | |
602 | # Check if the page should be reloaded. | |
603 | if ($reload_page) { | |
604 | # Perform a reload of the page. | |
605 | &reload(); | |
606 | } | |
4c067847 | 607 | |
9bf260de SS |
608 | # Toggle Enable/Disable autoupdate for a provider |
609 | } elsif ($cgiparams{'AUTOUPDATE'} eq $Lang::tr{'toggle enable disable'}) { | |
610 | my %used_providers = (); | |
611 | ||
612 | # Only go further, if an ID has been passed. | |
613 | if ($cgiparams{'ID'}) { | |
614 | # Assign the given ID. | |
615 | my $id = $cgiparams{'ID'}; | |
616 | ||
617 | # Undef the given ID. | |
618 | undef($cgiparams{'ID'}); | |
619 | ||
620 | # Read-in providers settings file. | |
621 | &General::readhasharray($IDS::providers_settings_file, \%used_providers); | |
622 | ||
623 | # Grab the configured status of the corresponding entry. | |
624 | my $status_autoupdate = $used_providers{$id}[2]; | |
625 | ||
626 | # Switch the status. | |
627 | if ($status_autoupdate eq "disabled") { | |
628 | $status_autoupdate = "enabled"; | |
629 | } else { | |
630 | $status_autoupdate = "disabled"; | |
631 | } | |
632 | ||
633 | # Modify the status of the existing entry. | |
25652a75 | 634 | $used_providers{$id} = ["$used_providers{$id}[0]", "$used_providers{$id}[1]", "$status_autoupdate", "$used_providers{$id}[3]", "$used_providers{$id}[4]"]; |
9bf260de SS |
635 | |
636 | # Write the changed hash to the providers settings file. | |
637 | &General::writehasharray($IDS::providers_settings_file, \%used_providers); | |
638 | } | |
639 | ||
640 | # Add/Edit a provider to the list of used providers. | |
641 | # | |
4c067847 | 642 | } elsif (($cgiparams{'PROVIDERS'} eq "$Lang::tr{'add'}") || ($cgiparams{'PROVIDERS'} eq "$Lang::tr{'update'}")) { |
aba3cbe5 SS |
643 | my %used_providers = (); |
644 | ||
645 | # Read-in providers settings file. | |
646 | &General::readhasharray("$IDS::providers_settings_file", \%used_providers); | |
647 | ||
4c067847 SS |
648 | # Assign some nice human-readable values. |
649 | my $provider = $cgiparams{'PROVIDER'}; | |
650 | my $subscription_code = $cgiparams{'SUBSCRIPTION_CODE'}; | |
bb4c30c6 | 651 | my $status_autoupdate; |
443ad51d | 652 | my $mode; |
2f154264 | 653 | my $regenerate_ruleset_required; |
bb4c30c6 SS |
654 | |
655 | # Handle autoupdate checkbox. | |
656 | if ($cgiparams{'ENABLE_AUTOUPDATE'} eq "on") { | |
657 | $status_autoupdate = "enabled"; | |
658 | } else { | |
659 | $status_autoupdate = "disabled"; | |
660 | } | |
4c067847 | 661 | |
443ad51d SS |
662 | # Handle monitor traffic only checkbox. |
663 | if ($cgiparams{'MONITOR_TRAFFIC_ONLY'} eq "on") { | |
664 | $mode = "IDS"; | |
665 | } else { | |
666 | $mode = "IPS"; | |
667 | } | |
668 | ||
4c067847 SS |
669 | # Check if we are going to add a new provider. |
670 | if ($cgiparams{'PROVIDERS'} eq "$Lang::tr{'add'}") { | |
671 | # Loop through the hash of used providers. | |
672 | foreach my $id ( keys %used_providers) { | |
673 | # Check if the choosen provider is already in use. | |
674 | if ($used_providers{$id}[0] eq "$provider") { | |
4c067847 | 675 | # Assign error message. |
1fa18733 | 676 | $errormessage = "$Lang::tr{'ids the choosen provider is already in use'}"; |
4c067847 SS |
677 | } |
678 | } | |
679 | } | |
680 | ||
681 | # Check if the provider requires a subscription code. | |
682 | if ($IDS::Ruleset::Providers{$provider}{'requires_subscription'} eq "True") { | |
683 | # Check if an subscription code has been provided. | |
684 | if ($subscription_code) { | |
685 | # Check if the code contains unallowed chars. | |
686 | unless ($subscription_code =~ /^[a-z0-9]+$/) { | |
687 | $errormessage = $Lang::tr{'invalid input for subscription code'}; | |
688 | } | |
689 | } else { | |
690 | # Print an error message, that an subsription code is required for this | |
691 | # provider. | |
692 | $errormessage = $Lang::tr{'ids subscription code required'}; | |
693 | } | |
694 | } | |
695 | ||
696 | # Go further if there was no error. | |
697 | if ($errormessage eq '') { | |
698 | my $id; | |
699 | my $status; | |
700 | ||
701 | # Check if we should edit an existing entry and got an ID. | |
702 | if (($cgiparams{'PROVIDERS'} eq $Lang::tr{'update'}) && ($cgiparams{'ID'})) { | |
703 | # Assin the provided id. | |
704 | $id = $cgiparams{'ID'}; | |
705 | ||
706 | # Undef the given ID. | |
707 | undef($cgiparams{'ID'}); | |
708 | ||
2f154264 SS |
709 | # Grab the configured mode. |
710 | my $stored_mode = $used_providers{$id}[4]; | |
711 | ||
712 | # Check if the ruleset action (mode) has been changed. | |
713 | if ($stored_mode ne $mode) { | |
714 | # It has been changed, so the ruleset needs to be regenerated. | |
715 | $regenerate_ruleset_required = "1"; | |
716 | } | |
717 | ||
4c067847 SS |
718 | # Grab the configured status of the corresponding entry. |
719 | $status = $used_providers{$id}[3]; | |
720 | } else { | |
721 | # Each newly added entry automatically should be enabled. | |
722 | $status = "enabled"; | |
723 | ||
724 | # Generate the ID for the new entry. | |
725 | # | |
726 | # Sort the keys by their ID and store them in an array. | |
727 | my @keys = sort { $a <=> $b } keys %used_providers; | |
728 | ||
729 | # Reverse the key array. | |
730 | my @reversed = reverse(@keys); | |
731 | ||
732 | # Obtain the last used id. | |
733 | my $last_id = @reversed[0]; | |
734 | ||
735 | # Increase the last id by one and use it as id for the new entry. | |
736 | $id = ++$last_id; | |
737 | } | |
738 | ||
739 | # Add/Modify the entry to/in the used providers hash.. | |
443ad51d | 740 | $used_providers{$id} = ["$provider", "$subscription_code", "$status_autoupdate", "$status", "$mode"]; |
4c067847 SS |
741 | |
742 | # Write the changed hash to the providers settings file. | |
743 | &General::writehasharray($IDS::providers_settings_file, \%used_providers); | |
744 | ||
b734df0e SS |
745 | # Check if a new provider will be added. |
746 | if ($cgiparams{'PROVIDERS'} eq $Lang::tr{'add'}) { | |
969983eb SS |
747 | # Check if the red device is active. |
748 | unless (-e "${General::swroot}/red/active") { | |
749 | $errormessage = "$Lang::tr{'ids could not add provider'} - $Lang::tr{'system is offline'}"; | |
750 | } | |
b734df0e | 751 | |
969983eb SS |
752 | # Check if enough free disk space is availabe. |
753 | if(&IDS::checkdiskspace()) { | |
754 | $errormessage = "$Lang::tr{'ids could not add provider'} - $Lang::tr{'not enough disk space'}"; | |
755 | } | |
b734df0e | 756 | |
969983eb SS |
757 | # Check if any errors happend. |
758 | unless ($errormessage) { | |
759 | # Lock the webpage and print notice about downloading | |
760 | # a new ruleset. | |
761 | &working_notice("$Lang::tr{'ids working'}"); | |
b734df0e | 762 | |
969983eb | 763 | # Download the ruleset. |
5bad33e9 SS |
764 | my $return = &IDS::downloadruleset($provider); |
765 | ||
766 | # Check if the downloader returned a code. | |
767 | if ($return) { | |
768 | $errormessage = "$Lang::tr{'ids could not add provider'} - $Lang::tr{'ids unable to download the ruleset'}: $return"; | |
b734df0e | 769 | |
969983eb SS |
770 | # Call function to store the errormessage. |
771 | &IDS::_store_error_message($errormessage); | |
b734df0e | 772 | |
969983eb SS |
773 | # Remove the configured provider again. |
774 | &remove_provider($id); | |
775 | } else { | |
776 | # Extract the ruleset | |
777 | &IDS::extractruleset($provider); | |
ddaf8ae1 | 778 | |
969983eb SS |
779 | # Move the ruleset. |
780 | &IDS::move_tmp_ruleset(); | |
781 | ||
782 | # Cleanup temporary directory. | |
783 | &IDS::cleanup_tmp_directory(); | |
969983eb SS |
784 | } |
785 | ||
786 | # Perform a reload of the page. | |
787 | &reload(); | |
fa7663a1 SS |
788 | } else { |
789 | # Remove the configured provider again. | |
790 | &remove_provider($id); | |
969983eb | 791 | } |
b734df0e SS |
792 | } |
793 | ||
2f154264 SS |
794 | # Check if the ruleset has to be regenerated. |
795 | if ($regenerate_ruleset_required) { | |
796 | # Call oinkmaster web function. | |
797 | &oinkmaster_web(); | |
798 | ||
799 | # Perform a reload of the page. | |
800 | &reload(); | |
801 | } | |
4c067847 | 802 | } |
73eb03a3 | 803 | |
969983eb SS |
804 | # Undefine providers flag. |
805 | undef($cgiparams{'PROVIDERS'}); | |
806 | ||
73eb03a3 SS |
807 | ## Toggle Enabled/Disabled for an existing provider. |
808 | # | |
809 | } elsif ($cgiparams{'PROVIDERS'} eq $Lang::tr{'toggle enable disable'}) { | |
810 | my %used_providers = (); | |
eade5468 | 811 | my $provider_includes_action; |
73eb03a3 | 812 | |
1e52a258 SS |
813 | # Value if oinkmaster has to be executed. |
814 | my $oinkmaster = "False"; | |
815 | ||
73eb03a3 SS |
816 | # Only go further, if an ID has been passed. |
817 | if ($cgiparams{'ID'}) { | |
818 | # Assign the given ID. | |
819 | my $id = $cgiparams{'ID'}; | |
820 | ||
821 | # Undef the given ID. | |
822 | undef($cgiparams{'ID'}); | |
823 | ||
824 | # Read-in file which contains the provider settings. | |
825 | &General::readhasharray($IDS::providers_settings_file, \%used_providers); | |
826 | ||
827 | # Grab the configured status of the corresponding entry. | |
828 | my $status = $used_providers{$id}[3]; | |
829 | ||
eade5468 SS |
830 | # Grab the provider handle. |
831 | my $provider_handle = $used_providers{$id}[0]; | |
832 | ||
73eb03a3 SS |
833 | # Switch the status. |
834 | if ($status eq "enabled") { | |
835 | $status = "disabled"; | |
eade5468 SS |
836 | |
837 | # Set the provider includes action to "remove" for removing the entry. | |
838 | $provider_includes_action = "remove"; | |
73eb03a3 SS |
839 | } else { |
840 | $status = "enabled"; | |
eade5468 SS |
841 | |
842 | # Set the provider includes action to "add". | |
843 | $provider_includes_action = "add"; | |
1e52a258 SS |
844 | |
845 | # This operation requires to launch oinkmaster. | |
846 | $oinkmaster = "True"; | |
73eb03a3 SS |
847 | } |
848 | ||
849 | # Modify the status of the existing entry. | |
25652a75 | 850 | $used_providers{$id} = ["$used_providers{$id}[0]", "$used_providers{$id}[1]", "$used_providers{$id}[2]", "$status", "$used_providers{$id}[4]"]; |
73eb03a3 SS |
851 | |
852 | # Write the changed hash to the providers settings file. | |
853 | &General::writehasharray($IDS::providers_settings_file, \%used_providers); | |
854 | ||
a2b4488a SS |
855 | # Get all enabled providers. |
856 | my @enabled_providers = &IDS::get_enabled_providers(); | |
857 | ||
858 | # Write the main providers include file. | |
30c4a9ff | 859 | &IDS::write_used_rulefiles_file(@enabled_providers); |
a2b4488a | 860 | |
1e52a258 SS |
861 | # Check if oinkmaster has to be executed. |
862 | if ($oinkmaster eq "True") { | |
1e52a258 | 863 | # Launch oinkmaster. |
faa8c62f | 864 | &oinkmaster_web(); |
1e52a258 SS |
865 | } |
866 | ||
73eb03a3 | 867 | # Check if the IDS is running. |
a2b4488a SS |
868 | if(&IDS::ids_is_running()) { |
869 | # Gather the amount of enabled providers (elements in the array). | |
870 | my $amount = @enabled_providers; | |
871 | ||
872 | # Check if there are still enabled ruleset providers. | |
873 | if ($amount >= 1) { | |
874 | # Call suricatactrl to perform a restart. | |
875 | &IDS::call_suricatactrl("restart"); | |
876 | ||
877 | # No active ruleset provider, suricata has to be stopped. | |
878 | } else { | |
879 | # Stop suricata. | |
880 | &IDS::call_suricatactrl("stop"); | |
881 | } | |
882 | } | |
73eb03a3 SS |
883 | |
884 | # Undefine providers flag. | |
885 | undef($cgiparams{'PROVIDERS'}); | |
1e52a258 SS |
886 | |
887 | # Reload page. | |
888 | &reload(); | |
73eb03a3 SS |
889 | } |
890 | ||
891 | ## Remove provider from the list of used providers. | |
892 | # | |
893 | } elsif ($cgiparams{'PROVIDERS'} eq $Lang::tr{'remove'}) { | |
214f34ec SS |
894 | # Assign a nice human-readable variable. |
895 | my $id = $cgiparams{'ID'}; | |
73eb03a3 | 896 | |
214f34ec SS |
897 | # Grab the provider name bevore deleting. |
898 | my $provider = &get_provider_handle($id); | |
2fded6d2 | 899 | |
214f34ec SS |
900 | # Remove the provider. |
901 | &remove_provider($id); | |
73eb03a3 SS |
902 | |
903 | # Undef the given ID. | |
904 | undef($cgiparams{'ID'}); | |
905 | ||
2fded6d2 SS |
906 | # Drop the stored ruleset file. |
907 | &IDS::drop_dl_rulesfile($provider); | |
908 | ||
1a9e81ce SS |
909 | # Remove may stored etag data. |
910 | &IDS::remove_from_etags($provider); | |
911 | ||
2fded6d2 | 912 | # Get the name of the provider rulessets include file. |
30c4a9ff | 913 | my $provider_used_rulefile = &IDS::get_provider_used_rulesfiles_file($provider); |
2fded6d2 SS |
914 | |
915 | # Drop the file, it is not longer needed. | |
916 | unlink("$provider_used_rulefile"); | |
917 | ||
0c5b2f6d | 918 | # Call function to get the path and name for the given providers |
4c98be8b SS |
919 | # ruleset modifications file.. |
920 | my $modifications_file = &IDS::get_provider_ruleset_modifications_file($provider); | |
0c5b2f6d SS |
921 | |
922 | # Check if the file exists. | |
4c98be8b | 923 | if (-f $modifications_file) { |
0c5b2f6d | 924 | # Remove the file, which is not longer needed. |
4c98be8b | 925 | unlink("$modifications_file"); |
0c5b2f6d SS |
926 | } |
927 | ||
2fded6d2 | 928 | # Regenerate ruleset. |
faa8c62f | 929 | &oinkmaster_web(); |
2fded6d2 SS |
930 | |
931 | # Gather all enabled providers. | |
932 | my @enabled_providers = &IDS::get_enabled_providers(); | |
933 | ||
934 | # Regenerate main providers include file. | |
30c4a9ff | 935 | &IDS::write_used_rulefiles_file(@enabled_providers); |
2fded6d2 | 936 | |
73eb03a3 | 937 | # Check if the IDS is running. |
2fded6d2 SS |
938 | if(&IDS::ids_is_running()) { |
939 | # Get amount of enabled providers. | |
940 | my $amount = @enabled_providers; | |
941 | ||
942 | # Check if at least one enabled provider remains. | |
943 | if ($amount >= 1) { | |
944 | # Call suricatactrl to perform a reload. | |
945 | &IDS::call_suricatactrl("restart"); | |
946 | ||
947 | # Stop suricata if no enabled provider remains. | |
948 | } else { | |
949 | # Call suricatactrel to perform the stop. | |
950 | &IDS::call_suricatactrl("stop"); | |
951 | } | |
952 | } | |
1b939d0e | 953 | |
73eb03a3 SS |
954 | # Undefine providers flag. |
955 | undef($cgiparams{'PROVIDERS'}); | |
106f00bd SS |
956 | |
957 | # Reload page. | |
958 | &reload(); | |
ac1cfefa MT |
959 | } |
960 | ||
ac1cfefa MT |
961 | &Header::openpage($Lang::tr{'intrusion detection system'}, 1, ''); |
962 | ||
2bbe6ede | 963 | &Header::openbigbox('100%', 'left', '', $errormessage); |
e0cec9fe | 964 | |
2bbe6ede | 965 | &show_display_error_message(); |
0d34a479 | 966 | |
2bbe6ede SS |
967 | if ($cgiparams{'RULESET'} eq "$Lang::tr{'ids customize ruleset'}" ) { |
968 | &show_customize_ruleset(); | |
2f252efa SS |
969 | } elsif ($cgiparams{'PROVIDERS'} ne "") { |
970 | &show_add_provider(); | |
2bbe6ede SS |
971 | } else { |
972 | &show_mainpage(); | |
973 | } | |
029b8ed2 | 974 | |
2bbe6ede SS |
975 | &Header::closebigbox(); |
976 | &Header::closepage(); | |
e0cec9fe | 977 | |
2bbe6ede SS |
978 | # |
979 | ## Tiny function to show if a error message happened. | |
980 | # | |
981 | sub show_display_error_message() { | |
982 | if ($errormessage) { | |
983 | &Header::openbox('100%', 'left', $Lang::tr{'error messages'}); | |
984 | print "<class name='base'>$errormessage\n"; | |
985 | print " </class>\n"; | |
986 | &Header::closebox(); | |
987 | } | |
988 | } | |
e0cec9fe | 989 | |
2bbe6ede SS |
990 | # |
991 | ## Function to display the main IDS page. | |
992 | # | |
993 | sub show_mainpage() { | |
aba3cbe5 | 994 | # Read-in idssettings and provider settings. |
2bbe6ede | 995 | &General::readhash("$IDS::ids_settings_file", \%idssettings); |
aba3cbe5 | 996 | &General::readhasharray("$IDS::providers_settings_file", \%used_providers); |
2bbe6ede | 997 | |
2bbe6ede | 998 | # Read-in ignored hosts. |
18f0991c | 999 | &General::readhasharray("$IDS::ignored_file", \%ignored) if (-e $IDS::ignored_file); |
2bbe6ede SS |
1000 | |
1001 | $checked{'ENABLE_IDS'}{'off'} = ''; | |
1002 | $checked{'ENABLE_IDS'}{'on'} = ''; | |
1003 | $checked{'ENABLE_IDS'}{$idssettings{'ENABLE_IDS'}} = "checked='checked'"; | |
17726644 | 1004 | |
2bbe6ede SS |
1005 | # Draw current state of the IDS |
1006 | &Header::openbox('100%', 'left', $Lang::tr{'intrusion detection system'}); | |
1504a375 | 1007 | |
2bbe6ede SS |
1008 | # Check if the IDS is running and obtain the process-id. |
1009 | my $pid = &IDS::ids_is_running(); | |
87660964 | 1010 | |
2bbe6ede SS |
1011 | # Display some useful information, if suricata daemon is running. |
1012 | if ($pid) { | |
1013 | # Gather used memory. | |
1014 | my $memory = &get_memory_usage($pid); | |
87660964 | 1015 | |
2bbe6ede SS |
1016 | print <<END; |
1017 | <table width='95%' cellspacing='0' class='tbl'> | |
1018 | <tr> | |
1019 | <th bgcolor='$color{'color20'}' colspan='3' align='left'><strong>$Lang::tr{'intrusion detection'}</strong></th> | |
1020 | </tr> | |
87660964 | 1021 | |
2bbe6ede SS |
1022 | <tr> |
1023 | <td class='base'>$Lang::tr{'guardian daemon'}</td> | |
1024 | <td align='center' colspan='2' width='75%' bgcolor='${Header::colourgreen}'><font color='white'><strong>$Lang::tr{'running'}</strong></font></td> | |
1025 | </tr> | |
87660964 | 1026 | |
2bbe6ede SS |
1027 | <tr> |
1028 | <td class='base'></td> | |
1029 | <td bgcolor='$color{'color20'}' align='center'><strong>PID</strong></td> | |
1030 | <td bgcolor='$color{'color20'}' align='center'><strong>$Lang::tr{'memory'}</strong></td> | |
1031 | </tr> | |
87660964 | 1032 | |
2bbe6ede SS |
1033 | <tr> |
1034 | <td class='base'></td> | |
1035 | <td bgcolor='$color{'color22'}' align='center'>$pid</td> | |
1036 | <td bgcolor='$color{'color22'}' align='center'>$memory KB</td> | |
1037 | </tr> | |
1038 | </table> | |
87660964 | 1039 | END |
2bbe6ede SS |
1040 | } else { |
1041 | # Otherwise display a hint that the service is not launched. | |
1042 | print <<END; | |
1043 | <table width='95%' cellspacing='0' class='tbl'> | |
1044 | <tr> | |
1045 | <th bgcolor='$color{'color20'}' colspan='3' align='left'><strong>$Lang::tr{'intrusion detection'}</strong></th> | |
1046 | </tr> | |
87660964 | 1047 | |
2bbe6ede SS |
1048 | <tr> |
1049 | <td class='base'>$Lang::tr{'guardian daemon'}</td> | |
1050 | <td align='center' width='75%' bgcolor='${Header::colourred}'><font color='white'><strong>$Lang::tr{'stopped'}</strong></font></td> | |
1051 | </tr> | |
1052 | </table> | |
87660964 | 1053 | END |
2bbe6ede | 1054 | } |
87660964 | 1055 | |
2f252efa SS |
1056 | # Only show this area, if at least one ruleset provider is configured. |
1057 | if (%used_providers) { | |
674912fc | 1058 | |
2bbe6ede | 1059 | print <<END |
674912fc | 1060 | |
2bbe6ede | 1061 | <br><br><h2>$Lang::tr{'settings'}</h2> |
1286e0d4 | 1062 | |
2bbe6ede SS |
1063 | <form method='post' action='$ENV{'SCRIPT_NAME'}'> |
1064 | <table width='100%' border='0'> | |
1065 | <tr> | |
1066 | <td class='base' colspan='2'> | |
1067 | <input type='checkbox' name='ENABLE_IDS' $checked{'ENABLE_IDS'}{'on'}> $Lang::tr{'ids enable'} | |
1068 | </td> | |
cf02bf2f | 1069 | |
2bbe6ede SS |
1070 | </td> |
1071 | </tr> | |
1504a375 | 1072 | |
2bbe6ede SS |
1073 | <tr> |
1074 | <td><br><br></td> | |
1075 | <td><br><br></td> | |
1076 | <td><br><br></td> | |
1077 | <td><br><br></td> | |
1078 | </tr> | |
a4ccfcbb | 1079 | |
2bbe6ede SS |
1080 | <tr> |
1081 | <td colspan='4'><b>$Lang::tr{'ids monitored interfaces'}</b><br></td> | |
1082 | </tr> | |
a4ccfcbb | 1083 | |
2bbe6ede | 1084 | <tr> |
ac1cfefa MT |
1085 | END |
1086 | ; | |
1504a375 | 1087 | |
2bbe6ede SS |
1088 | # Loop through the array of available networks and print config options. |
1089 | foreach my $zone (@network_zones) { | |
1090 | my $checked_input; | |
1091 | my $checked_forward; | |
1504a375 | 1092 | |
2bbe6ede SS |
1093 | # Convert current zone name to upper case. |
1094 | my $zone_upper = uc($zone); | |
1504a375 | 1095 | |
2bbe6ede SS |
1096 | # Set zone name. |
1097 | my $zone_name = $zone; | |
53817b89 | 1098 | |
2bbe6ede SS |
1099 | # Dirty hack to get the correct language string for the red zone. |
1100 | if ($zone eq "red") { | |
1101 | $zone_name = "red1"; | |
1102 | } | |
53817b89 | 1103 | |
2bbe6ede SS |
1104 | # Grab checkbox status from settings hash. |
1105 | if ($idssettings{"ENABLE_IDS_$zone_upper"} eq "on") { | |
1106 | $checked_input = "checked = 'checked'"; | |
1107 | } | |
1504a375 | 1108 | |
2bbe6ede SS |
1109 | print "<td class='base' width='20%'>\n"; |
1110 | print "<input type='checkbox' name='ENABLE_IDS_$zone_upper' $checked_input>\n"; | |
1111 | print " $Lang::tr{'enabled on'}<font color='$colourhash{$zone}'> $Lang::tr{$zone_name}</font>\n"; | |
1112 | print "</td>\n"; | |
1113 | } | |
1b73b07e | 1114 | |
ac1cfefa | 1115 | print <<END |
2bbe6ede SS |
1116 | </tr> |
1117 | </table> | |
1504a375 | 1118 | |
2bbe6ede | 1119 | <br><br> |
ea5c8eeb | 1120 | |
2bbe6ede SS |
1121 | <table width='100%'> |
1122 | <tr> | |
1123 | <td align='right'><input type='submit' name='IDS' value='$Lang::tr{'save'}' /></td> | |
1124 | </tr> | |
1125 | </table> | |
1126 | </form> | |
ea5c8eeb SS |
1127 | END |
1128 | ; | |
1129 | ||
2bbe6ede | 1130 | } |
cf02bf2f | 1131 | |
2bbe6ede | 1132 | &Header::closebox(); |
ea5c8eeb | 1133 | |
2f252efa SS |
1134 | # |
1135 | # Used Ruleset Providers section. | |
1136 | # | |
2bbe6ede | 1137 | &Header::openbox('100%', 'center', $Lang::tr{'ids ruleset settings'}); |
ea5c8eeb | 1138 | |
2f252efa SS |
1139 | print <<END; |
1140 | <table width='100%' border='0'> | |
1141 | <tr> | |
1142 | <td class='base' bgcolor='$color{'color20'}'><b>$Lang::tr{'ids provider'}</b></td> | |
1143 | <td class='base' bgcolor='$color{'color20'}'><b>$Lang::tr{'date'}</b></td> | |
1144 | <td class='base' bgcolor='$color{'color20'}' align='center'><b>$Lang::tr{'ids autoupdates'}</b></td> | |
834227f2 | 1145 | <td class='base' bgcolor='$color{'color20'}' align='center'><b>$Lang::tr{'action'}</b></td> |
2f252efa SS |
1146 | <td class='base' colspan='3' bgcolor='$color{'color20'}'></td> |
1147 | </tr> | |
3e12c6e6 | 1148 | END |
7e1a09f9 SS |
1149 | my $line = 1; |
1150 | ||
2f252efa SS |
1151 | # Check if some providers has been configured. |
1152 | if (keys (%used_providers)) { | |
1153 | my $col = ""; | |
3e12c6e6 | 1154 | |
2f252efa | 1155 | # Loop through all entries of the hash. |
2f252efa SS |
1156 | foreach my $id (sort keys(%used_providers)) { |
1157 | # Assign data array positions to some nice variable names. | |
1158 | my $provider = $used_providers{$id}[0]; | |
1159 | my $provider_name = &get_provider_name($provider); | |
593abb35 | 1160 | my $rulesetdate = &IDS::get_ruleset_date($provider); |
2f252efa SS |
1161 | |
1162 | my $subscription_code = $used_providers{$id}[1]; | |
1163 | my $autoupdate_status = $used_providers{$id}[2]; | |
1164 | my $status = $used_providers{$id}[3]; | |
cf6eaba8 | 1165 | my $unsupported; |
2f252efa SS |
1166 | |
1167 | # Check if the item number is even or not. | |
7e1a09f9 | 1168 | if ($line % 2) { |
2f252efa SS |
1169 | $col="bgcolor='$color{'color22'}'"; |
1170 | } else { | |
1171 | $col="bgcolor='$color{'color20'}'"; | |
2bbe6ede | 1172 | } |
1504a375 | 1173 | |
6bef05b9 | 1174 | # Handle providers which are not longer supported. |
df7977fd | 1175 | unless ($IDS::Ruleset::Providers{$provider}{'dl_url'}) { |
9dd2a463 MT |
1176 | $col = "bgcolor='$Header::colouryellow'"; |
1177 | $unsupported = $Lang::tr{'ids provider eol'}; | |
6bef05b9 SS |
1178 | } |
1179 | ||
2f252efa SS |
1180 | # Choose icons for the checkboxes. |
1181 | my $status_gif; | |
1182 | my $status_gdesc; | |
1183 | my $autoupdate_status_gif; | |
1184 | my $autoupdate_status_gdesc; | |
1504a375 | 1185 | |
2f252efa SS |
1186 | # Check if the status is enabled and select the correct image and description. |
1187 | if ($status eq 'enabled' ) { | |
1188 | $status_gif = 'on.gif'; | |
1189 | $status_gdesc = $Lang::tr{'click to disable'}; | |
1190 | } else { | |
1191 | $status_gif = 'off.gif'; | |
1192 | $status_gdesc = $Lang::tr{'click to enable'}; | |
1193 | } | |
1504a375 | 1194 | |
2f252efa SS |
1195 | # Check if the autoupdate status is enabled and select the correct image and description. |
1196 | if ($autoupdate_status eq 'enabled') { | |
1197 | $autoupdate_status_gif = 'on.gif'; | |
1198 | $autoupdate_status_gdesc = $Lang::tr{'click to disable'}; | |
1199 | } else { | |
1200 | $autoupdate_status_gif = 'off.gif'; | |
1201 | $autoupdate_status_gdesc = $Lang::tr{'click to enable'}; | |
1202 | } | |
2bbe6ede | 1203 | |
2f252efa SS |
1204 | print <<END; |
1205 | <tr> | |
9dd2a463 | 1206 | <td width='33%' class='base' $col>$provider_name $unsupported</td> |
593abb35 | 1207 | <td width='30%' class='base' $col>$rulesetdate</td> |
2f252efa SS |
1208 | |
1209 | <td align='center' $col> | |
1210 | <form method='post' action='$ENV{'SCRIPT_NAME'}'> | |
1211 | <input type='hidden' name='AUTOUPDATE' value='$Lang::tr{'toggle enable disable'}' /> | |
1212 | <input type='image' name='$Lang::tr{'toggle enable disable'}' src='/images/$autoupdate_status_gif' alt='$autoupdate_status_gdesc' title='$autoupdate_status_gdesc' /> | |
1213 | <input type='hidden' name='ID' value='$id' /> | |
1214 | </form> | |
1215 | </td> | |
1216 | ||
1217 | <td align='center' $col> | |
7323c72d | 1218 | <form method='post' action='$ENV{'SCRIPT_NAME'}'> |
2f252efa SS |
1219 | <input type='hidden' name='PROVIDERS' value='$Lang::tr{'toggle enable disable'}'> |
1220 | <input type='image' name='$Lang::tr{'toggle enable disable'}' src='/images/$status_gif' alt='$status_gdesc' title='$status_gdesc'> | |
1221 | <input type='hidden' name='ID' value='$id'> | |
1222 | </form> | |
1223 | </td> | |
1224 | ||
1225 | <td align='center' $col> | |
1226 | <form method='post' action='$ENV{'SCRIPT_NAME'}'> | |
1227 | <input type='hidden' name='PROVIDERS' value='$Lang::tr{'edit'}'> | |
1228 | <input type='image' name='$Lang::tr{'edit'}' src='/images/edit.gif' alt='$Lang::tr{'edit'}' title='$Lang::tr{'edit'}'> | |
1229 | <input type='hidden' name='ID' value='$id'> | |
1230 | </form> | |
1231 | </td> | |
1504a375 | 1232 | |
2f252efa SS |
1233 | <td align='center' $col> |
1234 | <form method='post' name='$provider' action='$ENV{'SCRIPT_NAME'}'> | |
1235 | <input type='image' name='$Lang::tr{'remove'}' src='/images/delete.gif' title='$Lang::tr{'remove'}' alt='$Lang::tr{'remove'}'> | |
1236 | <input type='hidden' name='ID' value='$id'> | |
1237 | <input type='hidden' name='PROVIDERS' value='$Lang::tr{'remove'}'> | |
1238 | </form> | |
1239 | </td> | |
1240 | </tr> | |
ea5c8eeb | 1241 | END |
7e1a09f9 SS |
1242 | # Increment lines value. |
1243 | $line++; | |
1244 | ||
2bbe6ede | 1245 | } |
2f252efa SS |
1246 | |
1247 | } else { | |
1248 | # Print notice that currently no hosts are ignored. | |
1249 | print "<tr>\n"; | |
1250 | print "<td class='base' colspan='2'>$Lang::tr{'guardian no entries'}</td>\n"; | |
1251 | print "</tr>\n"; | |
1252 | } | |
1253 | ||
1254 | print "</table>\n"; | |
1255 | ||
1256 | # Section to add new elements or edit existing ones. | |
9dd2a463 | 1257 | print <<END; |
2f252efa SS |
1258 | <br> |
1259 | <hr> | |
1260 | <br> | |
1504a375 | 1261 | |
9dd2a463 MT |
1262 | <form method='post' action='$ENV{'SCRIPT_NAME'}'> |
1263 | <div align='right'> | |
2f252efa SS |
1264 | END |
1265 | ||
9dd2a463 MT |
1266 | # Only show this button if a ruleset provider is configured. |
1267 | if (%used_providers) { | |
1268 | print "<input type='submit' name='RULESET' value='$Lang::tr{'ids customize ruleset'}'>\n"; | |
1269 | } | |
1270 | ||
2f252efa | 1271 | print <<END; |
9dd2a463 MT |
1272 | <input type='submit' name='PROVIDERS' value='$Lang::tr{'ids add provider'}'> |
1273 | </div> | |
1274 | </form> | |
ac1cfefa | 1275 | END |
ac1cfefa | 1276 | |
2bbe6ede | 1277 | &Header::closebox(); |
fbfdb241 | 1278 | |
2bbe6ede SS |
1279 | # |
1280 | # Whitelist / Ignorelist | |
1281 | # | |
1282 | &Header::openbox('100%', 'center', $Lang::tr{'ids ignored hosts'}); | |
b7e29743 | 1283 | |
2bbe6ede | 1284 | print <<END; |
b7e29743 SS |
1285 | <table width='100%'> |
1286 | <tr> | |
1287 | <td class='base' bgcolor='$color{'color20'}'><b>$Lang::tr{'ip address'}</b></td> | |
1288 | <td class='base' bgcolor='$color{'color20'}'><b>$Lang::tr{'remark'}</b></td> | |
1289 | <td class='base' colspan='3' bgcolor='$color{'color20'}'></td> | |
1290 | </tr> | |
1291 | END | |
1292 | # Check if some hosts have been added to be ignored. | |
1293 | if (keys (%ignored)) { | |
1294 | my $col = ""; | |
1295 | ||
1296 | # Loop through all entries of the hash. | |
1297 | while( (my $key) = each %ignored) { | |
1298 | # Assign data array positions to some nice variable names. | |
1299 | my $address = $ignored{$key}[0]; | |
1300 | my $remark = $ignored{$key}[1]; | |
1301 | my $status = $ignored{$key}[2]; | |
1302 | ||
1303 | # Check if the key (id) number is even or not. | |
1304 | if ($cgiparams{'ID'} eq $key) { | |
1305 | $col="bgcolor='${Header::colouryellow}'"; | |
1306 | } elsif ($key % 2) { | |
1307 | $col="bgcolor='$color{'color22'}'"; | |
1308 | } else { | |
1309 | $col="bgcolor='$color{'color20'}'"; | |
1310 | } | |
1311 | ||
1312 | # Choose icon for the checkbox. | |
1313 | my $gif; | |
1314 | my $gdesc; | |
1315 | ||
1316 | # Check if the status is enabled and select the correct image and description. | |
1317 | if ($status eq 'enabled' ) { | |
1318 | $gif = 'on.gif'; | |
1319 | $gdesc = $Lang::tr{'click to disable'}; | |
1320 | } else { | |
1321 | $gif = 'off.gif'; | |
1322 | $gdesc = $Lang::tr{'click to enable'}; | |
1323 | } | |
1324 | ||
1325 | print <<END; | |
1326 | <tr> | |
1327 | <td width='20%' class='base' $col>$address</td> | |
1328 | <td width='65%' class='base' $col>$remark</td> | |
1329 | ||
1330 | <td align='center' $col> | |
1331 | <form method='post' action='$ENV{'SCRIPT_NAME'}'> | |
2f252efa SS |
1332 | <input type='hidden' name='WHITELIST' value='$Lang::tr{'toggle enable disable'}'> |
1333 | <input type='image' name='$Lang::tr{'toggle enable disable'}' src='/images/$gif' alt='$gdesc' title='$gdesc'> | |
1334 | <input type='hidden' name='ID' value='$key'> | |
b7e29743 SS |
1335 | </form> |
1336 | </td> | |
1337 | ||
1338 | <td align='center' $col> | |
1339 | <form method='post' action='$ENV{'SCRIPT_NAME'}'> | |
2f252efa SS |
1340 | <input type='hidden' name='WHITELIST' value='$Lang::tr{'edit'}'> |
1341 | <input type='image' name='$Lang::tr{'edit'}' src='/images/edit.gif' alt='$Lang::tr{'edit'}' title='$Lang::tr{'edit'}'> | |
1342 | <input type='hidden' name='ID' value='$key'> | |
b7e29743 SS |
1343 | </form> |
1344 | </td> | |
1345 | ||
1346 | <td align='center' $col> | |
1347 | <form method='post' name='$key' action='$ENV{'SCRIPT_NAME'}'> | |
1348 | <input type='image' name='$Lang::tr{'remove'}' src='/images/delete.gif' title='$Lang::tr{'remove'}' alt='$Lang::tr{'remove'}'> | |
1349 | <input type='hidden' name='ID' value='$key'> | |
1350 | <input type='hidden' name='WHITELIST' value='$Lang::tr{'remove'}'> | |
1351 | </form> | |
2bbe6ede SS |
1352 | </td> |
1353 | </tr> | |
b7e29743 | 1354 | END |
2bbe6ede SS |
1355 | } |
1356 | } else { | |
1357 | # Print notice that currently no hosts are ignored. | |
1358 | print "<tr>\n"; | |
1359 | print "<td class='base' colspan='2'>$Lang::tr{'guardian no entries'}</td>\n"; | |
1360 | print "</tr>\n"; | |
b7e29743 | 1361 | } |
b7e29743 | 1362 | |
2bbe6ede | 1363 | print "</table>\n"; |
b7e29743 | 1364 | |
2bbe6ede | 1365 | # Section to add new elements or edit existing ones. |
b7e29743 | 1366 | print <<END; |
2bbe6ede SS |
1367 | <br> |
1368 | <hr> | |
1369 | <br> | |
1b939d0e | 1370 | |
2bbe6ede SS |
1371 | <div align='center'> |
1372 | <table width='100%'> | |
b7e29743 SS |
1373 | END |
1374 | ||
2bbe6ede SS |
1375 | # Assign correct headline and button text. |
1376 | my $buttontext; | |
1377 | my $entry_address; | |
1378 | my $entry_remark; | |
b7e29743 | 1379 | |
2bbe6ede SS |
1380 | # Check if an ID (key) has been given, in this case an existing entry should be edited. |
1381 | if ($cgiparams{'ID'} ne '') { | |
1382 | $buttontext = $Lang::tr{'update'}; | |
1383 | print "<tr><td class='boldbase' colspan='3'><b>$Lang::tr{'update'}</b></td></tr>\n"; | |
b7e29743 | 1384 | |
2bbe6ede SS |
1385 | # Grab address and remark for the given key. |
1386 | $entry_address = $ignored{$cgiparams{'ID'}}[0]; | |
1387 | $entry_remark = $ignored{$cgiparams{'ID'}}[1]; | |
1388 | } else { | |
1389 | $buttontext = $Lang::tr{'add'}; | |
1390 | print "<tr><td class='boldbase' colspan='3'><b>$Lang::tr{'dnsforward add a new entry'}</b></td></tr>\n"; | |
1391 | } | |
b7e29743 SS |
1392 | |
1393 | print <<END; | |
2bbe6ede SS |
1394 | <form method='post' action='$ENV{'SCRIPT_NAME'}'> |
1395 | <input type='hidden' name='ID' value='$cgiparams{'ID'}'> | |
1396 | <tr> | |
1397 | <td width='30%'>$Lang::tr{'ip address'}: </td> | |
1398 | <td width='50%'><input type='text' name='IGNORE_ENTRY_ADDRESS' value='$entry_address' size='24' /></td> | |
b7e29743 | 1399 | |
2bbe6ede SS |
1400 | <td width='30%'>$Lang::tr{'remark'}: </td> |
1401 | <td wicth='50%'><input type='text' name=IGNORE_ENTRY_REMARK value='$entry_remark' size='24' /></td> | |
1402 | <td align='center' width='20%'><input type='submit' name='WHITELIST' value='$buttontext' /></td> | |
1403 | </tr> | |
1404 | </form> | |
1405 | </table> | |
1406 | </div> | |
b7e29743 SS |
1407 | END |
1408 | ||
2bbe6ede | 1409 | &Header::closebox(); |
fed57fe7 SS |
1410 | } |
1411 | ||
fed57fe7 SS |
1412 | # |
1413 | ## Function to show the customize ruleset section. | |
1414 | # | |
1415 | sub show_customize_ruleset() { | |
2bbe6ede SS |
1416 | ### Java Script ### |
1417 | print"<script>\n"; | |
1418 | ||
1419 | # Java script variable declaration for show and hide. | |
1420 | print"var show = \"$Lang::tr{'ids show'}\"\;\n"; | |
1421 | print"var hide = \"$Lang::tr{'ids hide'}\"\;\n"; | |
1422 | ||
1423 | print <<END | |
1b939d0e | 1424 | // Tiny javascript function to show/hide the rules |
2bbe6ede SS |
1425 | // of a given category. |
1426 | function showhide(tblname) { | |
1427 | \$("#" + tblname).toggle(); | |
1428 | ||
1429 | // Get current content of the span element. | |
1430 | var content = document.getElementById("span_" + tblname); | |
1431 | ||
1432 | if (content.innerHTML === show) { | |
1433 | content.innerHTML = hide; | |
1434 | } else { | |
1435 | content.innerHTML = show; | |
1436 | } | |
1437 | } | |
1438 | </script> | |
1439 | END | |
1440 | ; | |
87df37da | 1441 | &Header::openbox('100%', 'LEFT', "$Lang::tr{'intrusion detection system rules'}" ); |
1b939d0e | 1442 | print"<form method='POST' action='$ENV{'SCRIPT_NAME'}'>\n"; |
f7fcd1c0 | 1443 | |
1b939d0e PM |
1444 | # Output display table for rule files |
1445 | print "<table width='100%'>\n"; | |
3ffee04b | 1446 | |
1b939d0e PM |
1447 | # Loop over each rule file |
1448 | foreach my $rulefile (sort keys(%idsrules)) { | |
1449 | my $rulechecked = ''; | |
0a1bba1a | 1450 | |
1b939d0e PM |
1451 | # Check if rule file is enabled |
1452 | if ($idsrules{$rulefile}{'Rulefile'}{'State'} eq 'on') { | |
1453 | $rulechecked = 'CHECKED'; | |
1454 | } | |
80bcd4dd | 1455 | |
1b939d0e PM |
1456 | # Convert rulefile name into category name. |
1457 | my $categoryname = &_rulefile_to_category($rulefile); | |
1458 | ||
1459 | # Table and rows for the rule files. | |
1460 | print"<tr>\n"; | |
1461 | print"<td class='base' width='5%'>\n"; | |
1462 | print"<input type='checkbox' name='$rulefile' $rulechecked>\n"; | |
1463 | print"</td>\n"; | |
1464 | print"<td class='base' width='90%'><b>$rulefile</b></td>\n"; | |
1465 | print"<td class='base' width='5%' align='right'>\n"; | |
1466 | print"<a href=\"javascript:showhide('$categoryname')\"><span id='span_$categoryname'>$Lang::tr{'ids show'}</span></a>\n"; | |
1467 | print"</td>\n"; | |
1468 | print"</tr>\n"; | |
1469 | ||
1470 | # Rows which will be hidden per default and will contain the single rules. | |
1471 | print"<tr style='display:none' id='$categoryname'>\n"; | |
1472 | print"<td colspan='3'>\n"; | |
1473 | ||
1474 | # Local vars | |
1475 | my $lines; | |
1476 | my $rows; | |
1477 | my $col; | |
1478 | ||
1479 | # New table for the single rules. | |
1480 | print "<table width='100%'>\n"; | |
17726644 | 1481 | |
1b939d0e PM |
1482 | # Loop over rule file rules |
1483 | foreach my $sid (sort {$a <=> $b} keys(%{$idsrules{$rulefile}})) { | |
f7fcd1c0 | 1484 | # Local vars |
1b939d0e | 1485 | my $ruledefchecked = ''; |
f9c2147d | 1486 | |
1b939d0e PM |
1487 | # Skip rulefile itself. |
1488 | next if ($sid eq "Rulefile"); | |
f7fcd1c0 | 1489 | |
1b939d0e PM |
1490 | # If 2 rules have been displayed, start a new row |
1491 | if (($lines % 2) == 0) { | |
1492 | print "</tr><tr>\n"; | |
80bcd4dd | 1493 | |
1b939d0e PM |
1494 | # Increase rows by once. |
1495 | $rows++; | |
1496 | } | |
80bcd4dd | 1497 | |
1b939d0e PM |
1498 | # Colour lines. |
1499 | if ($rows % 2) { | |
1500 | $col="bgcolor='$color{'color20'}'"; | |
1501 | } else { | |
1502 | $col="bgcolor='$color{'color22'}'"; | |
f7fcd1c0 | 1503 | } |
3ffee04b | 1504 | |
1b939d0e PM |
1505 | # Set rule state |
1506 | if ($idsrules{$rulefile}{$sid}{'State'} eq 'on') { | |
1507 | $ruledefchecked = 'CHECKED'; | |
80bcd4dd | 1508 | } |
17726644 | 1509 | |
1b939d0e PM |
1510 | # Create rule checkbox and display rule description |
1511 | print "<td class='base' width='5%' align='right' $col>\n"; | |
1512 | print "<input type='checkbox' NAME='$sid' $ruledefchecked>\n"; | |
1513 | print "</td>\n"; | |
1514 | print "<td class='base' width='45%' $col>$idsrules{$rulefile}{$sid}{'Description'}</td>"; | |
1515 | ||
1516 | # Increment rule count | |
1517 | $lines++; | |
1518 | } | |
1519 | ||
1520 | # If do not have a second rule for row, create empty cell | |
1521 | if (($lines % 2) != 0) { | |
1522 | print "<td class='base'></td>"; | |
f7fcd1c0 SS |
1523 | } |
1524 | ||
1525 | # Close display table | |
1b939d0e PM |
1526 | print "</tr></table></td></tr>"; |
1527 | } | |
17726644 | 1528 | |
1b939d0e PM |
1529 | # Close display table |
1530 | print "</table>"; | |
1531 | ||
1532 | print <<END | |
2999f1d2 CS |
1533 | <table width='100%'> |
1534 | <tr> | |
4efc8ccd SS |
1535 | <td width='100%' align='right'> |
1536 | <input type='submit' value='$Lang::tr{'fwhost back'}'> | |
1537 | <input type='submit' name='RULESET' value='$Lang::tr{'ids apply'}'> | |
1538 | </td> | |
2999f1d2 CS |
1539 | </tr> |
1540 | </table> | |
298723b9 | 1541 | </form> |
3ffee04b CS |
1542 | END |
1543 | ; | |
1b939d0e | 1544 | &Header::closebox(); |
80bcd4dd SS |
1545 | } |
1546 | ||
2f252efa SS |
1547 | # |
1548 | ## Function to show section for add/edit a provider. | |
1549 | # | |
1550 | sub show_add_provider() { | |
aba3cbe5 | 1551 | my %used_providers = (); |
2f252efa SS |
1552 | my @subscription_providers; |
1553 | ||
aba3cbe5 SS |
1554 | # Read -in providers settings file. |
1555 | &General::readhasharray("$IDS::providers_settings_file", \%used_providers); | |
1556 | ||
2f252efa SS |
1557 | # Get all supported ruleset providers. |
1558 | my @ruleset_providers = &IDS::get_ruleset_providers(); | |
1559 | ||
1560 | ### Java Script ### | |
1561 | print "<script>\n"; | |
1562 | ||
1563 | # Generate Java Script Object which contains the URL of the providers. | |
1564 | print "\t// Object, which contains the webpages of the ruleset providers.\n"; | |
1565 | print "\tvar url = {\n"; | |
1566 | ||
1567 | # Loop through the array of supported providers. | |
1568 | foreach my $provider (@ruleset_providers) { | |
1569 | # Check if the provider requires a subscription. | |
1570 | if ($IDS::Ruleset::Providers{$provider}{'requires_subscription'} eq "True") { | |
1571 | # Add the provider to the array of subscription_providers. | |
1572 | push(@subscription_providers, $provider); | |
1573 | } | |
1574 | ||
1575 | # Grab the URL for the provider. | |
1576 | my $url = $IDS::Ruleset::Providers{$provider}{'website'}; | |
1577 | ||
1578 | # Print the URL to the Java Script Object. | |
1579 | print "\t\t$provider: \"$url\"\,\n"; | |
1580 | } | |
1581 | ||
1582 | # Close the Java Script Object declaration. | |
1583 | print "\t}\;\n\n"; | |
1584 | ||
1585 | # Generate Java Script Array which contains the provider that requires a subscription. | |
1586 | my $line = ""; | |
1587 | $line = join("', '", @subscription_providers); | |
1588 | ||
1589 | print "\t// Array which contains the providers that requires a subscription.\n"; | |
1590 | print "\tsubscription_provider = ['$line']\;\n\n"; | |
1591 | ||
1592 | print <<END | |
1593 | // Java Script function to swap the text input field for | |
1594 | // entering a subscription code. | |
1595 | var update_provider = function() { | |
1596 | if(inArray(\$('#PROVIDER').val(), subscription_provider)) { | |
1597 | \$('.subscription_code').show(); | |
1598 | } else { | |
1599 | \$('.subscription_code').hide(); | |
1600 | } | |
1601 | ||
1602 | // Call function to change the website url. | |
1603 | change_url(\$('#PROVIDER').val()); | |
1604 | }; | |
1605 | ||
1606 | // Java Script function to check if a given value is part of | |
1607 | // an array. | |
1608 | function inArray(value,array) { | |
1609 | var count=array.length; | |
1610 | ||
1611 | for(var i=0;i<count;i++) { | |
1612 | if(array[i]===value){ | |
1613 | return true; | |
1614 | } | |
1615 | } | |
1616 | ||
1617 | return false; | |
1618 | } | |
1619 | ||
1620 | // Tiny function to change the website url based on the selected element in the "PROVIDERS" | |
1621 | // dropdown menu. | |
1622 | function change_url(provider) { | |
1623 | // Get and change the href to the corresponding url. | |
1624 | document.getElementById("website").href = url[provider]; | |
1625 | } | |
1626 | ||
1627 | // JQuery function to call corresponding function when | |
1628 | // the ruleset provider is changed or the page is loaded for showing/hiding | |
1629 | // the subscription_code area. | |
1630 | \$(document).ready(function() { | |
1631 | \$('#PROVIDER').change(update_provider); | |
1632 | update_provider(); | |
1633 | }); | |
1634 | ||
1635 | </script> | |
1636 | END | |
1637 | ; | |
1638 | ||
2f252efa SS |
1639 | # Check if an existing provider should be edited. |
1640 | if($cgiparams{'PROVIDERS'} eq "$Lang::tr{'edit'}") { | |
1641 | # Check if autoupdate is enabled for this provider. | |
bb4c30c6 | 1642 | if ($used_providers{$cgiparams{'ID'}}[2] eq "enabled") { |
2f252efa SS |
1643 | # Set the checkbox to be checked. |
1644 | $checked{'ENABLE_AUTOUPDATE'} = "checked='checked'"; | |
1645 | } | |
962e58cd | 1646 | |
443ad51d SS |
1647 | # Check if the monitor traffic only mode is set for this provider. |
1648 | if ($used_providers{$cgiparams{'ID'}}[4] eq "IDS") { | |
1649 | # Set the checkbox to be checked. | |
1650 | $checked{'MONITOR_TRAFFIC_ONLY'} = "checked='checked'"; | |
1651 | } | |
1652 | ||
962e58cd SS |
1653 | # Display section to force an rules update and to reset the provider. |
1654 | &show_additional_provider_actions(); | |
1655 | ||
2f252efa SS |
1656 | } elsif ($cgiparams{'PROVIDERS'} eq "$Lang::tr{'ids add provider'}") { |
1657 | # Set the autoupdate to true as default. | |
1658 | $checked{'ENABLE_AUTOUPDATE'} = "checked='checked'"; | |
1659 | } | |
1660 | ||
962e58cd SS |
1661 | &Header::openbox('100%', 'center', $Lang::tr{'ids provider settings'}); |
1662 | ||
2f252efa SS |
1663 | print <<END |
1664 | <form method='post' action='$ENV{'SCRIPT_NAME'}'> | |
1665 | <table width='100%' border='0'> | |
1666 | <tr> | |
1667 | <td colspan='2'><b>$Lang::tr{'ids provider'}</b></td> | |
1668 | </tr> | |
1669 | ||
1670 | <tr> | |
1671 | <td width='40%'> | |
1672 | <input type='hidden' name='ID' value='$cgiparams{'ID'}'> | |
2f252efa SS |
1673 | END |
1674 | ; | |
02fee15e SS |
1675 | # Value to allow disabling the dropdown menu. |
1676 | my $disabled; | |
1677 | ||
1678 | # Check if we are in edit mode. | |
1679 | if ($cgiparams{'PROVIDERS'} eq "$Lang::tr{'edit'}") { | |
1680 | $disabled = "disabled"; | |
1681 | ||
1682 | # Add hidden input with the provider because the disable select does not provider | |
1683 | # this. | |
1684 | print "<input type='hidden' name='PROVIDER' value='$used_providers{$cgiparams{'ID'}}[0]'>\n"; | |
1685 | } | |
1686 | ||
1687 | print "<select name='PROVIDER' id='PROVIDER' $disabled>\n"; | |
4015d3f4 SS |
1688 | # Temporary hash to store the provier names and their handles. |
1689 | my %tmphash = (); | |
1690 | ||
2f252efa | 1691 | # Loop through the array of ruleset providers. |
4015d3f4 | 1692 | foreach my $handle (@ruleset_providers) { |
2f252efa | 1693 | # Get the provider name. |
4015d3f4 SS |
1694 | my $name = &get_provider_name($handle); |
1695 | ||
1696 | # Add the grabbed provider name and handle to the | |
1697 | # temporary hash. | |
1698 | $tmphash{$name} = "$handle"; | |
1699 | } | |
1700 | ||
1701 | # Sort and loop through the temporary hash. | |
1702 | foreach my $provider_name ( sort keys %tmphash ) { | |
1703 | # Grab the provider handle. | |
1704 | my $provider = $tmphash{$provider_name}; | |
2f252efa | 1705 | |
ad0d064a SS |
1706 | # Check if we are not in edit mode. |
1707 | if ($cgiparams{'PROVIDERS'} ne "$Lang::tr{'edit'}") { | |
1708 | # Skip unsupported ruleset provider. | |
1709 | next unless(exists($IDS::Ruleset::Providers{$provider}{"dl_url"})); | |
1710 | } | |
1711 | ||
2f252efa SS |
1712 | # Pre-select the provider if one is given. |
1713 | if (($used_providers{$cgiparams{'ID'}}[0] eq "$provider") || ($cgiparams{'PROVIDER'} eq "$provider")) { | |
1714 | $selected{$provider} = "selected='selected'"; | |
1715 | } | |
1716 | ||
1717 | # Add the provider to the dropdown menu. | |
1718 | print "<option value='$provider' $selected{$provider}>$provider_name</option>\n"; | |
1719 | } | |
1720 | print <<END | |
1721 | </select> | |
1722 | </td> | |
1723 | ||
1724 | <td width='60%'> | |
1725 | <b><a id="website" target="_blank" href="#">$Lang::tr{'ids visit provider website'}</a></b> | |
1726 | </td> | |
1727 | </tr> | |
1728 | ||
1729 | <tr> | |
1730 | <td colspan='2'><br><br></td> | |
1731 | </tr> | |
1732 | ||
1733 | <tr class='subscription_code' style='display:none' id='subscription_code'> | |
1734 | <td colspan='2'> | |
1735 | <table border='0'> | |
1736 | <tr> | |
1737 | <td> | |
1738 | <b>$Lang::tr{'subscription code'}</b> | |
1739 | </td> | |
1740 | </tr> | |
1741 | ||
1742 | <tr> | |
1743 | <td> | |
1744 | <input type='text' size='40' name='SUBSCRIPTION_CODE' value='$used_providers{$cgiparams{'ID'}}[1]'> | |
1745 | </td> | |
1746 | </tr> | |
1747 | ||
1748 | <tr> | |
1749 | <td><br><br></td> | |
1750 | </tr> | |
1751 | </table> | |
1752 | </td> | |
1753 | </tr> | |
1754 | ||
1755 | <tr> | |
443ad51d | 1756 | <td> |
2f252efa SS |
1757 | <input type='checkbox' name='ENABLE_AUTOUPDATE' $checked{'ENABLE_AUTOUPDATE'}> $Lang::tr{'ids enable automatic updates'} |
1758 | </td> | |
443ad51d SS |
1759 | |
1760 | <td> | |
1761 | <input type='checkbox' name='MONITOR_TRAFFIC_ONLY' $checked{'MONITOR_TRAFFIC_ONLY'}> $Lang::tr{'ids monitor traffic only'} | |
1762 | </td> | |
2f252efa SS |
1763 | </tr> |
1764 | ||
1765 | <tr> | |
1766 | <td colspan='2' align='right'> | |
1767 | <input type='submit' value='$Lang::tr{'back'}'> | |
1768 | END | |
1769 | ; | |
1770 | # Check if a provider should be added or edited. | |
1771 | if ($cgiparams{'PROVIDERS'} eq "$Lang::tr{'edit'}") { | |
1772 | # Display button for updating the existing provider. | |
1773 | print "<input type='submit' name='PROVIDERS' value='$Lang::tr{'update'}'>\n"; | |
1774 | } else { | |
1775 | # Display button to add the new provider. | |
1776 | print "<input type='submit' name='PROVIDERS' value='$Lang::tr{'add'}'>\n"; | |
1777 | } | |
1778 | print <<END | |
1779 | </td> | |
1780 | </tr> | |
1781 | </table> | |
1782 | </form> | |
1783 | END | |
1784 | ; | |
1785 | &Header::closebox(); | |
1786 | } | |
1787 | ||
962e58cd SS |
1788 | # |
1789 | ## Function to show the area where additional provider actions can be done. | |
1790 | # | |
1791 | sub show_additional_provider_actions() { | |
eaf53644 SS |
1792 | my $disabled_reset; |
1793 | my $disabled_update; | |
962e58cd SS |
1794 | my %used_providers = (); |
1795 | ||
1796 | # Read-in providers settings file. | |
1797 | &General::readhasharray("$IDS::providers_settings_file", \%used_providers); | |
1798 | ||
1799 | # Assign variable for provider handle. | |
1800 | my $provider = "$used_providers{$cgiparams{'ID'}}[0]"; | |
1801 | ||
4c98be8b SS |
1802 | # Call function to get the path and name for the given provider |
1803 | # ruleset modifications file. | |
1804 | my $modifications_file = &IDS::get_provider_ruleset_modifications_file($provider); | |
962e58cd SS |
1805 | |
1806 | # Disable the reset provider button if no provider modified sids file exists. | |
4c98be8b | 1807 | unless (-f $modifications_file) { |
eaf53644 SS |
1808 | $disabled_reset = "disabled"; |
1809 | } | |
1810 | ||
1811 | # Disable the manual update button if the provider is not longer supported. | |
df7977fd | 1812 | unless ($IDS::Ruleset::Providers{$provider}{"dl_url"}) { |
eaf53644 | 1813 | $disabled_update = "disabled"; |
962e58cd SS |
1814 | } |
1815 | ||
1816 | &Header::openbox('100%', 'center', ""); | |
1817 | print <<END | |
1818 | <form method='post' action='$ENV{'SCRIPT_NAME'}'> | |
1819 | <table width='100%' border="0"> | |
1820 | <tr> | |
1821 | <td align='center'> | |
1822 | <input type='hidden' name='PROVIDER' value='$provider'> | |
eaf53644 SS |
1823 | <input type='submit' name='PROVIDERS' value='$Lang::tr{'ids reset provider'}' $disabled_reset> |
1824 | <input type='submit' name='PROVIDERS' value='$Lang::tr{'ids force ruleset update'}' $disabled_update> | |
962e58cd SS |
1825 | </td> |
1826 | </tr> | |
1827 | </table> | |
1b939d0e | 1828 | </form> |
962e58cd SS |
1829 | END |
1830 | ; | |
1831 | &Header::closebox(); | |
1832 | } | |
1833 | ||
27760092 SS |
1834 | # |
1835 | ## A function to display a notice, to lock the webpage and | |
1836 | ## tell the user which action currently will be performed. | |
1837 | # | |
1838 | sub working_notice ($) { | |
1839 | my ($message) = @_; | |
1840 | ||
1aaa3477 SS |
1841 | &_open_working_notice ($message); |
1842 | &_close_working_notice(); | |
1843 | } | |
1844 | ||
1845 | # | |
1846 | ## Private function to lock the page and tell the user what is going on. | |
1847 | # | |
1848 | sub _open_working_notice ($) { | |
1849 | my ($message) = @_; | |
1850 | ||
27760092 SS |
1851 | &Header::openpage($Lang::tr{'intrusion detection system'}, 1, ''); |
1852 | &Header::openbigbox('100%', 'left', '', $errormessage); | |
1853 | &Header::openbox( 'Waiting', 1,); | |
1854 | print <<END; | |
1855 | <table> | |
1856 | <tr> | |
1857 | <td><img src='/images/indicator.gif' alt='$Lang::tr{'aktiv'}' /></td> | |
1858 | <td>$message</td> | |
1859 | </tr> | |
27760092 | 1860 | END |
1aaa3477 SS |
1861 | } |
1862 | ||
1863 | # | |
1864 | ## Private function to close a working notice. | |
1865 | # | |
1866 | sub _close_working_notice () { | |
1867 | print "</table>\n"; | |
1868 | ||
27760092 SS |
1869 | &Header::closebox(); |
1870 | &Header::closebigbox(); | |
1871 | &Header::closepage(); | |
1872 | } | |
1873 | ||
44d41fd6 SS |
1874 | # |
1875 | ## Function which locks the webpage and basically does the same as the | |
1876 | ## oinkmaster function, but provides a lot of HTML formated status output. | |
1877 | # | |
1878 | sub oinkmaster_web () { | |
07dc722f SS |
1879 | my ($nolock) = @_; |
1880 | ||
44d41fd6 SS |
1881 | my @enabled_providers = &IDS::get_enabled_providers(); |
1882 | ||
1883 | # Lock the webpage and print message. | |
07dc722f SS |
1884 | unless ($nolock) { |
1885 | &_open_working_notice("$Lang::tr{'ids apply ruleset changes'}"); | |
1886 | } | |
44d41fd6 SS |
1887 | |
1888 | # Check if the files in rulesdir have the correct permissions. | |
1889 | &IDS::_check_rulesdir_permissions(); | |
1890 | ||
1891 | print "<tr><td><br><br></td></tr>\n"; | |
1892 | ||
1893 | # Cleanup the rules directory before filling it with the new rulests. | |
b645f7fc | 1894 | &_add_to_notice("$Lang::tr{'ids remove rule structures'}"); |
44d41fd6 SS |
1895 | &IDS::_cleanup_rulesdir(); |
1896 | ||
1897 | # Loop through the array of enabled providers. | |
1898 | foreach my $provider (@enabled_providers) { | |
b645f7fc | 1899 | &_add_to_notice("$Lang::tr{'ids extract ruleset'} $provider"); |
44d41fd6 SS |
1900 | # Call the extractruleset function. |
1901 | &IDS::extractruleset($provider); | |
1902 | } | |
1903 | ||
1904 | # Call function to process the ruleset and do all modifications. | |
b645f7fc | 1905 | &_add_to_notice("$Lang::tr{'ids adjust ruleset'}"); |
44d41fd6 SS |
1906 | &IDS::process_ruleset(@enabled_providers); |
1907 | ||
1908 | # Call function to merge the classification files. | |
b645f7fc | 1909 | &_add_to_notice("$Lang::tr{'ids merge classifications'}"); |
44d41fd6 SS |
1910 | &IDS::merge_classifications(@enabled_providers); |
1911 | ||
1912 | # Call function to merge the sid to message mapping files. | |
b645f7fc | 1913 | &_add_to_notice("$Lang::tr{'ids merge sid files'}"); |
44d41fd6 SS |
1914 | &IDS::merge_sid_msg(@enabled_providers); |
1915 | ||
1916 | # Cleanup temporary directory. | |
b645f7fc | 1917 | &_add_to_notice("$Lang::tr{'ids cleanup tmp dir'}"); |
44d41fd6 SS |
1918 | &IDS::cleanup_tmp_directory(); |
1919 | ||
1920 | # Finished - print a notice. | |
b645f7fc | 1921 | &_add_to_notice("$Lang::tr{'ids finished'}"); |
44d41fd6 SS |
1922 | |
1923 | # Close the working notice. | |
07dc722f SS |
1924 | unless ($nolock) { |
1925 | &_close_working_notice(); | |
1926 | } | |
44d41fd6 SS |
1927 | } |
1928 | ||
1929 | # | |
1930 | ## Tiny private function to add a given message to a notice table. | |
1931 | # | |
1932 | sub _add_to_notice ($) { | |
1933 | my ($message) = @_; | |
1934 | ||
1935 | print "<tr><td colspan='2'><li><b>$message</b></li></td></tr>\n"; | |
1936 | } | |
1937 | ||
3983aebd SS |
1938 | # |
1939 | ## A tiny function to perform a reload of the webpage after one second. | |
1940 | # | |
1941 | sub reload () { | |
1942 | print "<meta http-equiv='refresh' content='1'>\n"; | |
1943 | ||
1944 | # Stop the script. | |
1945 | exit; | |
a70d269a SS |
1946 | } |
1947 | ||
25f5cb0d SS |
1948 | # |
1949 | ## Private function to read-in and parse rules of a given rulefile. | |
1950 | # | |
1951 | ## The given file will be read, parsed and all valid rules will be stored by ID, | |
9d18656b | 1952 | ## message/description and it's state in the idsrules hash. |
25f5cb0d | 1953 | # |
3da6e01b SS |
1954 | sub readrulesfile ($) { |
1955 | my $rulefile = shift; | |
1956 | ||
1957 | # Open rule file and read in contents | |
298ef5ba | 1958 | open(RULEFILE, "$IDS::rulespath/$rulefile") or die "Unable to read $rulefile!"; |
3da6e01b SS |
1959 | |
1960 | # Store file content in an array. | |
1961 | my @lines = <RULEFILE>; | |
1962 | ||
1963 | # Close file. | |
1964 | close(RULEFILE); | |
1965 | ||
1966 | # Loop over rule file contents | |
1967 | foreach my $line (@lines) { | |
1968 | # Remove whitespaces. | |
1969 | chomp $line; | |
1970 | ||
1971 | # Skip blank lines. | |
1972 | next if ($line =~ /^\s*$/); | |
1973 | ||
1974 | # Local vars. | |
1975 | my $sid; | |
1976 | my $msg; | |
1977 | ||
1978 | # Gather rule sid and message from the ruleline. | |
4d438241 | 1979 | if ($line =~ m/.*msg:\s*\"(.*?)\"\;.*sid:\s*(.*?); /) { |
3da6e01b SS |
1980 | $msg = $1; |
1981 | $sid = $2; | |
1982 | ||
1983 | # Check if a rule has been found. | |
1984 | if ($sid && $msg) { | |
9d18656b SS |
1985 | # Add rule to the idsrules hash. |
1986 | $idsrules{$rulefile}{$sid}{'Description'} = $msg; | |
3da6e01b SS |
1987 | |
1988 | # Grab status of the rule. Check if ruleline starts with a "dash". | |
1989 | if ($line =~ /^\#/) { | |
1990 | # If yes, the rule is disabled. | |
9d18656b | 1991 | $idsrules{$rulefile}{$sid}{'State'} = "off"; |
3da6e01b SS |
1992 | } else { |
1993 | # Otherwise the rule is enabled. | |
9d18656b | 1994 | $idsrules{$rulefile}{$sid}{'State'} = "on"; |
3da6e01b SS |
1995 | } |
1996 | } | |
1997 | } | |
b7e29743 | 1998 | } |
3da6e01b | 1999 | } |
87660964 | 2000 | |
8d2f6b0b SS |
2001 | # |
2002 | ## Function to get the used memory of a given process-id. | |
2003 | # | |
87660964 | 2004 | sub get_memory_usage($) { |
004b13b7 | 2005 | my ($pid) = @_; |
87660964 | 2006 | |
004b13b7 | 2007 | my $memory = 0; |
87660964 | 2008 | |
004b13b7 | 2009 | # Try to open the status file for the given process-id on the pseudo |
87660964 | 2010 | # file system proc. |
004b13b7 SS |
2011 | if (open(FILE, "/proc/$pid/status")) { |
2012 | # Loop through the entire file. | |
2013 | while (<FILE>) { | |
2014 | # Splitt current line content and store them into variables. | |
2015 | my ($key, $value) = split(":", $_, 2); | |
2016 | ||
2017 | # Check if the current key is the one which contains the memory usage. | |
2018 | # The wanted one is VmRSS which contains the Real-memory (resident set) | |
2019 | # of the entire process. | |
2020 | if ($key eq "VmRSS") { | |
2021 | # Found the memory usage add it to the memory variable. | |
2022 | $memory += $value; | |
2023 | ||
2024 | # Break the loop. | |
2025 | last; | |
2026 | } | |
2027 | } | |
87660964 SS |
2028 | |
2029 | # Close file handle. | |
004b13b7 | 2030 | close(FILE); |
87660964 SS |
2031 | |
2032 | # Return memory usage. | |
2033 | return $memory; | |
004b13b7 | 2034 | } |
87660964 SS |
2035 | |
2036 | # If the file could not be open, return nothing. | |
2037 | return; | |
2038 | } | |
2039 | ||
697787c9 SS |
2040 | # |
2041 | ## Function to get the provider handle by a given ID. | |
2042 | # | |
2043 | sub get_provider_handle($) { | |
2044 | my ($id) = @_; | |
2045 | ||
2046 | my %used_providers = (); | |
2047 | ||
2048 | # Read-in provider settings file. | |
2049 | &General::readhasharray($IDS::providers_settings_file, \%used_providers); | |
2050 | ||
2051 | # Obtain the provider handle for the given ID. | |
2052 | my $provider_handle = $used_providers{$cgiparams{'ID'}}[0]; | |
2053 | ||
2054 | # Return the handle. | |
2055 | return $provider_handle; | |
2056 | } | |
2057 | ||
019e5e9b SS |
2058 | # |
2059 | ## Function to get the provider name from the language file or providers file for a given handle. | |
2060 | # | |
2061 | sub get_provider_name($) { | |
2062 | my ($handle) = @_; | |
2063 | my $provider_name; | |
2064 | ||
6bef05b9 SS |
2065 | # Early exit if the given provider does not longer exist. |
2066 | return unless ($IDS::Ruleset::Providers{$handle}); | |
2067 | ||
019e5e9b SS |
2068 | # Get the required translation string for the given provider handle. |
2069 | my $tr_string = $IDS::Ruleset::Providers{$handle}{'tr_string'}; | |
2070 | ||
2071 | # Check if the translation string is available in the language files. | |
2072 | if ($Lang::tr{$tr_string}) { | |
2073 | # Use the translated string from the language file. | |
2074 | $provider_name = $Lang::tr{$tr_string}; | |
2075 | } else { | |
2076 | # Fallback and use the provider summary from the providers file. | |
2077 | $provider_name = $IDS::Ruleset::Providers{$handle}{'summary'}; | |
2078 | } | |
2079 | ||
2080 | # Return the obtained provider name. | |
2081 | return $provider_name; | |
2082 | } | |
2083 | ||
63cf95af SS |
2084 | # |
2085 | ## Function to remove a provider by a given ID. | |
2086 | # | |
2087 | sub remove_provider($) { | |
2088 | my ($id) = @_; | |
2089 | ||
2090 | my %used_providers = (); | |
2091 | ||
2092 | # Read-in provider settings file. | |
2093 | &General::readhasharray($IDS::providers_settings_file, \%used_providers); | |
2094 | ||
2095 | # Drop entry from the hash. | |
2096 | delete($used_providers{$id}); | |
2097 | ||
2098 | # Write the changed hash to the provider settings file. | |
2099 | &General::writehasharray($IDS::providers_settings_file, \%used_providers); | |
2100 | } | |
2101 | ||
0a1bba1a SS |
2102 | # |
2103 | ## Private function to convert a given rulefile to a category name. | |
2104 | ## ( No file extension anymore and if the name contained a dot, it | |
2105 | ## would be replaced by a underline sign.) | |
2106 | # | |
2107 | sub _rulefile_to_category($) { | |
2108 | my ($filename) = @_; | |
2109 | ||
2110 | # Splitt the filename into single chunks and store them in a | |
2111 | # temorary array. | |
2112 | my @parts = split(/\./, $filename); | |
2113 | ||
2114 | # Return / Remove last element of the temporary array. | |
2115 | # This removes the file extension. | |
2116 | pop @parts; | |
2117 | ||
2118 | # Join together the single elements of the temporary array. | |
2119 | # If these are more than one, use a "underline" for joining. | |
2120 | my $category = join '_', @parts; | |
2121 | ||
2122 | # Return the converted filename. | |
2123 | return $category; | |
2124 | } |